1099332 has 84 divisors (see below), whose sum is σ = 3213420. Its totient is φ = 326592.

The previous prime is 1099327. The next prime is 1099337. The reversal of 1099332 is 2339901.

It is an interprime number because it is at equal distance from previous prime (1099327) and next prime (1099337).

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 746496 = 594^2 + 864^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1099296 and 1099305.

It is not an unprimeable number, because it can be changed into a prime (1099337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37894 + ... + 37922.

It is an arithmetic number, because the mean of its divisors is an integer number (38255).

2^1099332 is an apocalyptic number.

1099332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606710).

1099332 is an abundant number, since it is smaller than the sum of its proper divisors (2114088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099332 is a wasteful number, since it uses less digits than its factorization.

1099332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1099332 is about 1048.4903433032. The cubic root of 1099332 is about 103.2071114623.

It can be divided in two parts, 10993 and 32, that added together give a square (11025 = 105²).

The spelling of 1099332 in words is "one million, ninety-nine thousand, three hundred thirty-two".