28474404 has 48 divisors (see below), whose sum is σ = 78556800. Its totient is φ = 7854336.

The previous prime is 28474387. The next prime is 28474421. The reversal of 28474404 is 40447482.

It is an interprime number because it is at equal distance from previous prime (28474387) and next prime (28474421).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409 + ... + 8280.

It is an arithmetic number, because the mean of its divisors is an integer number (1636600).

Almost surely, 2^28474404 is an apocalyptic number.

It is an amenable number.

28474404 is an abundant number, since it is smaller than the sum of its proper divisors (50082396).

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

28474404 is a wasteful number, since it uses less digits than its factorization.

28474404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732 (or 11730 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 28474404 is about 5336.1413024769. The cubic root of 28474404 is about 305.3642660237.

The spelling of 28474404 in words is "twenty-eight million, four hundred seventy-four thousand, four hundred four".