326913916 has 24 divisors (see below), whose sum is σ = 654345216. Its totient is φ = 139995120.

The previous prime is 326913913. The next prime is 326913947. The reversal of 326913916 is 619319623.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326913913) 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, 38445 + ... + 46171.

It is an arithmetic number, because the mean of its divisors is an integer number (27264384).

Almost surely, 2^326913916 is an apocalyptic number.

It is an amenable number.

326913916 is an abundant number, since it is smaller than the sum of its proper divisors (327431300).

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

326913916 is a wasteful number, since it uses less digits than its factorization.

326913916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249 (or 9247 counting only the distinct ones).

The product of its digits is 52488, while the sum is 40.

The square root of 326913916 is about 18080.7609353146. The cubic root of 326913916 is about 688.8814166184.

The spelling of 326913916 in words is "three hundred twenty-six million, nine hundred thirteen thousand, nine hundred sixteen".