662928 has 40 divisors (see below), whose sum is σ = 1958208. Its totient is φ = 189312.

The previous prime is 662917. The next prime is 662939. The reversal of 662928 is 829266.

It is an interprime number because it is at equal distance from previous prime (662917) and next prime (662939).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 1322.

2⁶⁶²⁹²⁸ is an apocalyptic number.

It is an amenable number.

662928 is an abundant number, since it is smaller than the sum of its proper divisors (1295280).

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

662928 is a wasteful number, since it uses less digits than its factorization.

662928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1985 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 662928 is about 814.2039056649. The cubic root of 662928 is about 87.1944389462.

The spelling of 662928 in words is "six hundred sixty-two thousand, nine hundred twenty-eight".