660952 has 8 divisors (see below), whose sum is σ = 1239300. Its totient is φ = 330472.

The previous prime is 660949. The next prime is 660973. The reversal of 660952 is 259066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 660952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41302 + ... + 41317.

2⁶⁶⁰⁹⁵² is an apocalyptic number.

It is an amenable number.

660952 is a deficient number, since it is larger than the sum of its proper divisors (578348).

660952 is a wasteful number, since it uses less digits than its factorization.

660952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82625 (or 82621 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 660952 is about 812.9895448282. The cubic root of 660952 is about 87.1077187775.

The spelling of 660952 in words is "six hundred sixty thousand, nine hundred fifty-two".