28959404 has 6 divisors (see below), whose sum is σ = 50678964. Its totient is φ = 14479700.

The previous prime is 28959397. The next prime is 28959431. The reversal of 28959404 is 40495982.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619922 + ... + 3619929.

It is an arithmetic number, because the mean of its divisors is an integer number (8446494).

Almost surely, 2^28959404 is an apocalyptic number.

It is an amenable number.

28959404 is a deficient number, since it is larger than the sum of its proper divisors (21719560).

28959404 is a wasteful number, since it uses less digits than its factorization.

28959404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239855 (or 7239853 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 28959404 is about 5381.3942431307. The cubic root of 28959404 is about 307.0882549619.

The spelling of 28959404 in words is "twenty-eight million, nine hundred fifty-nine thousand, four hundred four".