1099344 has 40 divisors (see below), whose sum is σ = 2921440. Its totient is φ = 355968.

The previous prime is 1099337. The next prime is 1099363. The reversal of 1099344 is 4439901.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1467 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (73036).

2^1099344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460720).

1099344 is an abundant number, since it is smaller than the sum of its proper divisors (1822096).

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

1099344 is a wasteful number, since it uses less digits than its factorization.

1099344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1099344 is about 1048.4960658009. The cubic root of 1099344 is about 103.2074869876.

It can be divided in two parts, 109 and 9344, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 1099344 in words is "one million, ninety-nine thousand, three hundred forty-four".