321938264 has 32 divisors (see below), whose sum is σ = 610988400. Its totient is φ = 159020160.

The previous prime is 321938263. The next prime is 321938293. The reversal of 321938264 is 462839123.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321938263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289742 + ... + 290850.

Almost surely, 2^321938264 is an apocalyptic number.

It is an amenable number.

321938264 is a deficient number, since it is larger than the sum of its proper divisors (289050136).

321938264 is a wasteful number, since it uses less digits than its factorization.

321938264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1519 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 321938264 is about 17942.6381560795. The cubic root of 321938264 is about 685.3685934291.

The spelling of 321938264 in words is "three hundred twenty-one million, nine hundred thirty-eight thousand, two hundred sixty-four".