28672584 has 32 divisors (see below), whose sum is σ = 72900000. Its totient is φ = 9395072.

The previous prime is 28672573. The next prime is 28672601. The reversal of 28672584 is 48527682.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8709 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (2278125).

Almost surely, 2^28672584 is an apocalyptic number.

28672584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28672584 is an abundant number, since it is smaller than the sum of its proper divisors (44227416).

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

28672584 is a wasteful number, since it uses less digits than its factorization.

28672584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20317 (or 20313 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 28672584 is about 5354.6787018457. The cubic root of 28672584 is about 306.0710672648.

The spelling of 28672584 in words is "twenty-eight million, six hundred seventy-two thousand, five hundred eighty-four".