28958924 has 12 divisors (see below), whose sum is σ = 50744400. Its totient is φ = 14460528.

The previous prime is 28958893. The next prime is 28958947. The reversal of 28958924 is 42985982.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 959 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (4228700).

Almost surely, 2^28958924 is an apocalyptic number.

It is an amenable number.

28958924 is a deficient number, since it is larger than the sum of its proper divisors (21785476).

28958924 is a wasteful number, since it uses less digits than its factorization.

28958924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9470 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 28958924 is about 5381.3496448382. The cubic root of 28958924 is about 307.0865582974.

The spelling of 28958924 in words is "twenty-eight million, nine hundred fifty-eight thousand, nine hundred twenty-four".