28472604 has 48 divisors (see below), whose sum is σ = 68391456. Its totient is φ = 9216000.

The previous prime is 28472557. The next prime is 28472617. The reversal of 28472604 is 40627482.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 in 15 ways as a sum of consecutive naturals, for example, 70804 + ... + 71204.

It is an arithmetic number, because the mean of its divisors is an integer number (1424822).

Almost surely, 2^28472604 is an apocalyptic number.

It is an amenable number.

28472604 is an abundant number, since it is smaller than the sum of its proper divisors (39918852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28472604 is a wasteful number, since it uses less digits than its factorization.

28472604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 28472604 is about 5335.9726386105. The cubic root of 28472604 is about 305.3578313878.

The spelling of 28472604 in words is "twenty-eight million, four hundred seventy-two thousand, six hundred four".