28956874 has 16 divisors (see below), whose sum is σ = 46277280. Its totient is φ = 13549680.

The previous prime is 28956871. The next prime is 28956887. The reversal of 28956874 is 47865982.

It is not an unprimeable number, because it can be changed into a prime (28956871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (2892330).

Almost surely, 2^28956874 is an apocalyptic number.

28956874 is a deficient number, since it is larger than the sum of its proper divisors (17320406).

28956874 is a wasteful number, since it uses less digits than its factorization.

28956874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285.

The product of its digits is 967680, while the sum is 49.

The square root of 28956874 is about 5381.1591688037. The cubic root of 28956874 is about 307.0793119151.

The spelling of 28956874 in words is "twenty-eight million, nine hundred fifty-six thousand, eight hundred seventy-four".