15397056 has 42 divisors (see below), whose sum is σ = 44134532. Its totient is φ = 5132160.

The previous prime is 15397037. The next prime is 15397073. The reversal of 15397056 is 65079351.

It is a happy number.

15397056 is a `hidden beast` number, since 1 + 539 + 70 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15397056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12790 + ... + 13941.

Almost surely, 2^15397056 is an apocalyptic number.

15397056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15397056 is an abundant number, since it is smaller than the sum of its proper divisors (28737476).

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

15397056 is a wasteful number, since it uses less digits than its factorization.

15397056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26749 (or 26736 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 15397056 is about 3923.9082558082. The cubic root of 15397056 is about 248.7783385642.

The spelling of 15397056 in words is "fifteen million, three hundred ninety-seven thousand, fifty-six".