28973882 has 64 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 10872576.

The previous prime is 28973869. The next prime is 28973927. The reversal of 28973882 is 28837982.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366719 + ... + 366797.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 2^28973882 is an apocalyptic number.

28973882 is a deficient number, since it is larger than the sum of its proper divisors (27428038).

28973882 is a wasteful number, since it uses less digits than its factorization.

28973882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

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

The square root of 28973882 is about 5382.7392654670. The cubic root of 28973882 is about 307.1394217958.

The spelling of 28973882 in words is "twenty-eight million, nine hundred seventy-three thousand, eight hundred eighty-two".