28474504 has 8 divisors (see below), whose sum is σ = 53389710. Its totient is φ = 14237248.

The previous prime is 28474499. The next prime is 28474517. The reversal of 28474504 is 40547482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 2566404 = 5090^2 + 1602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28474504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779649 + ... + 1779664.

Almost surely, 2^28474504 is an apocalyptic number.

It is an amenable number.

28474504 is a deficient number, since it is larger than the sum of its proper divisors (24915206).

28474504 is a wasteful number, since it uses less digits than its factorization.

28474504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559319 (or 3559315 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 28474504 is about 5336.1506725354. The cubic root of 28474504 is about 305.3646234955.

The spelling of 28474504 in words is "twenty-eight million, four hundred seventy-four thousand, five hundred four".