28046858 has 16 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 11792976.

The previous prime is 28046849. The next prime is 28046873. The reversal of 28046858 is 85864082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18158 + ... + 19641.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^28046858 is an apocalyptic number.

28046858 is a deficient number, since it is larger than the sum of its proper divisors (20941942).

28046858 is a wasteful number, since it uses less digits than its factorization.

28046858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37861.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 28046858 is about 5295.9284360724. The cubic root of 28046858 is about 303.8281938382.

The spelling of 28046858 in words is "twenty-eight million, forty-six thousand, eight hundred fifty-eight".