28464984 has 48 divisors (see below), whose sum is σ = 80449200. Its totient is φ = 9075264.

The previous prime is 28464973. The next prime is 28465001. The reversal of 28464984 is 48946482.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6939 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (1676025).

Almost surely, 2^28464984 is an apocalyptic number.

28464984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28464984 is an abundant number, since it is smaller than the sum of its proper divisors (51984216).

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

28464984 is a wasteful number, since it uses less digits than its factorization.

28464984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17224 (or 17217 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 28464984 is about 5335.2585691792. The cubic root of 28464984 is about 305.3305884250.

The spelling of 28464984 in words is "twenty-eight million, four hundred sixty-four thousand, nine hundred eighty-four".