308872928 has 96 divisors (see below), whose sum is σ = 759197376. Its totient is φ = 120434688.

The previous prime is 308872903. The next prime is 308872931. The reversal of 308872928 is 829278803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211850 + ... + 213302.

It is an arithmetic number, because the mean of its divisors is an integer number (7908306).

Almost surely, 2^308872928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308872928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379598688).

308872928 is an abundant number, since it is smaller than the sum of its proper divisors (450324448).

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

308872928 is a wasteful number, since it uses less digits than its factorization.

308872928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 308872928 is about 17574.7810228179. The cubic root of 308872928 is about 675.9687438135.

The spelling of 308872928 in words is "three hundred eight million, eight hundred seventy-two thousand, nine hundred twenty-eight".