28695984 has 20 divisors (see below), whose sum is σ = 74131416. Its totient is φ = 9565312.

The previous prime is 28695977. The next prime is 28696037. The reversal of 28695984 is 48959682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298869 + ... + 298964.

Almost surely, 2^28695984 is an apocalyptic number.

28695984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28695984 is an abundant number, since it is smaller than the sum of its proper divisors (45435432).

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

28695984 is a wasteful number, since it uses less digits than its factorization.

28695984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597844 (or 597838 counting only the distinct ones).

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

The square root of 28695984 is about 5356.8632612752. The cubic root of 28695984 is about 306.1543072397.

The spelling of 28695984 in words is "twenty-eight million, six hundred ninety-five thousand, nine hundred eighty-four".