662808 has 16 divisors (see below), whose sum is σ = 1657080. Its totient is φ = 220928.

The previous prime is 662797. The next prime is 662819. The reversal of 662808 is 808266.

It is an interprime number because it is at equal distance from previous prime (662797) and next prime (662819).

It is a congruent number.

It is an unprimeable number.

662808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13785 + ... + 13832.

2⁶⁶²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

662808 is an abundant number, since it is smaller than the sum of its proper divisors (994272).

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

662808 is a wasteful number, since it uses less digits than its factorization.

662808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626 (or 27622 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 662808 is about 814.1302107157. The cubic root of 662808 is about 87.1891774577.

The spelling of 662808 in words is "six hundred sixty-two thousand, eight hundred eight".