666932 has 12 divisors (see below), whose sum is σ = 1333920. Its totient is φ = 285816.

The previous prime is 666929. The next prime is 666937. The reversal of 666932 is 239666.

666932 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11882 + ... + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (111160).

2⁶⁶⁶⁹³² is an apocalyptic number.

It is an amenable number.

666932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

666932 is a wasteful number, since it uses less digits than its factorization.

666932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23830 (or 23828 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 666932 is about 816.6590475835. The cubic root of 666932 is about 87.3696344373.

It can be divided in two parts, 66693 and 2, that multiplied together give a triangular number (133386 = T₅₁₆).

The spelling of 666932 in words is "six hundred sixty-six thousand, nine hundred thirty-two".