320498216 has 16 divisors (see below), whose sum is σ = 605667840. Its totient is φ = 158986800.

The previous prime is 320498183. The next prime is 320498273. The reversal of 320498216 is 612894023.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156710 + ... + 158741.

It is an arithmetic number, because the mean of its divisors is an integer number (37854240).

Almost surely, 2^320498216 is an apocalyptic number.

It is an amenable number.

320498216 is a deficient number, since it is larger than the sum of its proper divisors (285169624).

320498216 is a wasteful number, since it uses less digits than its factorization.

320498216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315584 (or 315580 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 320498216 is about 17902.4639644938. The cubic root of 320498216 is about 684.3451685140.

The spelling of 320498216 in words is "three hundred twenty million, four hundred ninety-eight thousand, two hundred sixteen".