28934828 has 36 divisors (see below), whose sum is σ = 57245328. Its totient is φ = 12767040.

The previous prime is 28934803. The next prime is 28934831. The reversal of 28934828 is 82843982.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14618 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (1590148).

Almost surely, 2^28934828 is an apocalyptic number.

It is an amenable number.

28934828 is a deficient number, since it is larger than the sum of its proper divisors (28310500).

28934828 is a wasteful number, since it uses less digits than its factorization.

28934828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1899 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 28934828 is about 5379.1103353622. The cubic root of 28934828 is about 307.0013616353.

The spelling of 28934828 in words is "twenty-eight million, nine hundred thirty-four thousand, eight hundred twenty-eight".