662988 has 12 divisors (see below), whose sum is σ = 1547000. Its totient is φ = 220992.

The previous prime is 662957. The next prime is 662999. The reversal of 662988 is 889266.

662988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662988.

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, 27613 + ... + 27636.

2⁶⁶²⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

662988 is an abundant number, since it is smaller than the sum of its proper divisors (884012).

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

662988 is a wasteful number, since it uses less digits than its factorization.

662988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55256 (or 55254 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 662988 is about 814.2407506383. The cubic root of 662988 is about 87.1970694523.

The spelling of 662988 in words is "six hundred sixty-two thousand, nine hundred eighty-eight".