326387680 has 48 divisors (see below), whose sum is σ = 773043264. Its totient is φ = 130224640.

The previous prime is 326387669. The next prime is 326387717. The reversal of 326387680 is 86783623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66594 + ... + 71326.

It is an arithmetic number, because the mean of its divisors is an integer number (16105068).

Almost surely, 2^326387680 is an apocalyptic number.

It is an amenable number.

326387680 is an abundant number, since it is smaller than the sum of its proper divisors (446655584).

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

326387680 is a wasteful number, since it uses less digits than its factorization.

326387680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179 (or 5171 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 326387680 is about 18066.2027000695. The cubic root of 326387680 is about 688.5115854268.

The spelling of 326387680 in words is "three hundred twenty-six million, three hundred eighty-seven thousand, six hundred eighty".