56984 has 16 divisors (see below), whose sum is σ = 113400. Its totient is φ = 26752.

The previous prime is 56983. The next prime is 56989. The reversal of 56984 is 48965.

56984 = 52² + 53² + ... + 67².

It is a self number, because there is not a number n which added to its sum of digits gives 56984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 345.

2⁵⁶⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

56984 is a deficient number, since it is larger than the sum of its proper divisors (56416).

56984 is a wasteful number, since it uses less digits than its factorization.

56984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 438 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 56984 is about 238.7132170618. The cubic root of 56984 is about 38.4814100391.

The spelling of 56984 in words is "fifty-six thousand, nine hundred eighty-four".