326172964 has 12 divisors (see below), whose sum is σ = 614710684. Its totient is φ = 150541344.

The previous prime is 326172961. The next prime is 326173013. The reversal of 326172964 is 469271623.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205348900 + 120824064 = 14330^2 + 10992^2 .

It is a hoax number, since the sum of its digits (40) 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 (326172961) 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, 3136227 + ... + 3136330.

Almost surely, 2^326172964 is an apocalyptic number.

It is an amenable number.

326172964 is a deficient number, since it is larger than the sum of its proper divisors (288537720).

326172964 is a wasteful number, since it uses less digits than its factorization.

326172964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272574 (or 6272572 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 326172964 is about 18060.2592450939. The cubic root of 326172964 is about 688.3605718802.

The spelling of 326172964 in words is "three hundred twenty-six million, one hundred seventy-two thousand, nine hundred sixty-four".