28659984 has 40 divisors (see below), whose sum is σ = 75849312. Its totient is φ = 9319680.

The previous prime is 28659979. The next prime is 28659991. The reversal of 28659984 is 48995682.

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, 5314 + ... + 9249.

Almost surely, 2^28659984 is an apocalyptic number.

28659984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28659984 is an abundant number, since it is smaller than the sum of its proper divisors (47189328).

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

28659984 is a wasteful number, since it uses less digits than its factorization.

28659984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14615 (or 14609 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 28659984 is about 5353.5020313810. The cubic root of 28659984 is about 306.0262269801.

The spelling of 28659984 in words is "twenty-eight million, six hundred fifty-nine thousand, nine hundred eighty-four".