15797964 has 192 divisors, whose sum is σ = 51480576. Its totient is φ = 3649536.

The previous prime is 15797939. The next prime is 15797983. The reversal of 15797964 is 46979751.

It is a happy number.

15797964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 426954 + ... + 426990.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^15797964 is an apocalyptic number.

15797964 is a gapful number since it is divisible by the number (14) 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 15797964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25740288).

15797964 is an abundant number, since it is smaller than the sum of its proper divisors (35682612).

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

15797964 is a wasteful number, since it uses less digits than its factorization.

15797964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 102 counting only the distinct ones).

The product of its digits is 476280, while the sum is 48.

The square root of 15797964 is about 3974.6652689252. The cubic root of 15797964 is about 250.9190916084.

It can be divided in two parts, 15797 and 964, that added together give a palindrome (16761).

The spelling of 15797964 in words is "fifteen million, seven hundred ninety-seven thousand, nine hundred sixty-four".