325996864 has 28 divisors (see below), whose sum is σ = 652639284. Its totient is φ = 161552384.

The previous prime is 325996861. The next prime is 325996919. The reversal of 325996864 is 468699523.

It can be written as a sum of positive squares in 2 ways, for example, as 73822464 + 252174400 = 8592^2 + 15880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325996861) 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, 15307 + ... + 29770.

Almost surely, 2^325996864 is an apocalyptic number.

It is an amenable number.

325996864 is an abundant number, since it is smaller than the sum of its proper divisors (326642420).

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

325996864 is a wasteful number, since it uses less digits than its factorization.

325996864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45202 (or 45192 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The square root of 325996864 is about 18055.3832415709. The cubic root of 325996864 is about 688.2366681725.

The spelling of 325996864 in words is "three hundred twenty-five million, nine hundred ninety-six thousand, eight hundred sixty-four".