28969204 has 12 divisors (see below), whose sum is σ = 55304928. Its totient is φ = 13167800.

The previous prime is 28969189. The next prime is 28969223. The reversal of 28969204 is 40296982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329152 + ... + 329239.

It is an arithmetic number, because the mean of its divisors is an integer number (4608744).

Almost surely, 2^28969204 is an apocalyptic number.

It is an amenable number.

28969204 is a deficient number, since it is larger than the sum of its proper divisors (26335724).

28969204 is a wasteful number, since it uses less digits than its factorization.

28969204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658406 (or 658404 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 28969204 is about 5382.3047108093. The cubic root of 28969204 is about 307.1228910970.

It can be divided in two parts, 2896 and 9204, that added together give a square (12100 = 110²).

The spelling of 28969204 in words is "twenty-eight million, nine hundred sixty-nine thousand, two hundred four".