326111864 has 24 divisors (see below), whose sum is σ = 662115960. Its totient is φ = 150512544.

The previous prime is 326111813. The next prime is 326111869. The reversal of 326111864 is 468111623.

It is a self number, because there is not a number n which added to its sum of digits gives 326111864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326111869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119252 + ... + 121955.

It is an arithmetic number, because the mean of its divisors is an integer number (27588165).

Almost surely, 2^326111864 is an apocalyptic number.

It is an amenable number.

326111864 is an abundant number, since it is smaller than the sum of its proper divisors (336004096).

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

326111864 is a wasteful number, since it uses less digits than its factorization.

326111864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241239 (or 241222 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 326111864 is about 18058.5676065407. The cubic root of 326111864 is about 688.3175870612.

The spelling of 326111864 in words is "three hundred twenty-six million, one hundred eleven thousand, eight hundred sixty-four".