325616388 has 24 divisors (see below), whose sum is σ = 760129440. Its totient is φ = 108487680.

The previous prime is 325616371. The next prime is 325616407. The reversal of 325616388 is 883616523.

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, 27223 + ... + 37313.

It is an arithmetic number, because the mean of its divisors is an integer number (31672060).

Almost surely, 2^325616388 is an apocalyptic number.

It is an amenable number.

325616388 is an abundant number, since it is smaller than the sum of its proper divisors (434513052).

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

325616388 is a wasteful number, since it uses less digits than its factorization.

325616388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787 (or 12785 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 325616388 is about 18044.8438064728. The cubic root of 325616388 is about 687.9688133736.

The spelling of 325616388 in words is "three hundred twenty-five million, six hundred sixteen thousand, three hundred eighty-eight".