308890328 has 32 divisors (see below), whose sum is σ = 601032960. Its totient is φ = 148716960.

The previous prime is 308890313. The next prime is 308890333. The reversal of 308890328 is 823098803.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18101 + ... + 30747.

It is an arithmetic number, because the mean of its divisors is an integer number (18782280).

Almost surely, 2^308890328 is an apocalyptic number.

It is an amenable number.

308890328 is a deficient number, since it is larger than the sum of its proper divisors (292142632).

308890328 is a wasteful number, since it uses less digits than its factorization.

308890328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12767 (or 12763 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 308890328 is about 17575.2760433514. The cubic root of 308890328 is about 675.9814368816.

The spelling of 308890328 in words is "three hundred eight million, eight hundred ninety thousand, three hundred twenty-eight".