908928428 has 12 divisors (see below), whose sum is σ = 1594251120. Its totient is φ = 453428112.

The previous prime is 908928407. The next prime is 908928481. The reversal of 908928428 is 824829809.

908928428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 257051 + ... + 260562.

It is an arithmetic number, because the mean of its divisors is an integer number (132854260).

Almost surely, 2^908928428 is an apocalyptic number.

It is an amenable number.

908928428 is a deficient number, since it is larger than the sum of its proper divisors (685322692).

908928428 is a wasteful number, since it uses less digits than its factorization.

908928428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518056 (or 518054 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 908928428 is about 30148.4398933013. The cubic root of 908928428 is about 968.6715893081.

The spelling of 908928428 in words is "nine hundred eight million, nine hundred twenty-eight thousand, four hundred twenty-eight".