331826864 has 20 divisors (see below), whose sum is σ = 643274304. Its totient is φ = 165820608.

The previous prime is 331826861. The next prime is 331826921. The reversal of 331826864 is 468628133.

It is a happy number.

It is a super-2 number, since 2×331826864² = 220218135344148992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (331826861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30614 + ... + 40010.

Almost surely, 2^331826864 is an apocalyptic number.

It is an amenable number.

331826864 is a deficient number, since it is larger than the sum of its proper divisors (311447440).

331826864 is a wasteful number, since it uses less digits than its factorization.

331826864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612 (or 11606 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 331826864 is about 18216.1155024884. The cubic root of 331826864 is about 692.3151693425.

The spelling of 331826864 in words is "three hundred thirty-one million, eight hundred twenty-six thousand, eight hundred sixty-four".