1163340 has 72 divisors (see below), whose sum is σ = 3695328. Its totient is φ = 295680.

The previous prime is 1163339. The next prime is 1163353. The reversal of 1163340 is 433611.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 4000 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (51324).

2^1163340 is an apocalyptic number.

1163340 is a gapful number since it is divisible by the number (10) 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 1163340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847664).

1163340 is an abundant number, since it is smaller than the sum of its proper divisors (2531988).

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

1163340 is a wasteful number, since it uses less digits than its factorization.

1163340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1163340 is about 1078.5824029716. The cubic root of 1163340 is about 105.1725055493.

Adding to 1163340 its reverse (433611), we get a palindrome (1596951).

The spelling of 1163340 in words is "one million, one hundred sixty-three thousand, three hundred forty".