485988 has 12 divisors (see below), whose sum is σ = 1134000. Its totient is φ = 161992.

The previous prime is 485977. The next prime is 485993. The reversal of 485988 is 889584.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×485988² = 472368672288, which contains 22 as substring.

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, 20238 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2⁴⁸⁵⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

485988 is an abundant number, since it is smaller than the sum of its proper divisors (648012).

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

485988 is a wasteful number, since it uses less digits than its factorization.

485988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40506 (or 40504 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 485988 is about 697.1283956345. The cubic root of 485988 is about 78.6215947243.

Subtracting from 485988 its product of digits (92160), we obtain a triangular number (393828 = T₈₈₇).

The spelling of 485988 in words is "four hundred eighty-five thousand, nine hundred eighty-eight".