28669204 has 6 divisors (see below), whose sum is σ = 50171114. Its totient is φ = 14334600.

The previous prime is 28669189. The next prime is 28669211. The reversal of 28669204 is 40296682.

It can be written as a sum of positive squares in only one way, i.e., 27562500 + 1106704 = 5250^2 + 1052^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583647 + ... + 3583654.

Almost surely, 2^28669204 is an apocalyptic number.

It is an amenable number.

28669204 is a deficient number, since it is larger than the sum of its proper divisors (21501910).

28669204 is a wasteful number, since it uses less digits than its factorization.

28669204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167305 (or 7167303 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 28669204 is about 5354.3630807034. The cubic root of 28669204 is about 306.0590399700.

The spelling of 28669204 in words is "twenty-eight million, six hundred sixty-nine thousand, two hundred four".