660932 has 6 divisors (see below), whose sum is σ = 1156638. Its totient is φ = 330464.

The previous prime is 660923. The next prime is 660941. The reversal of 660932 is 239066.

It is an interprime number because it is at equal distance from previous prime (660923) and next prime (660941).

It can be written as a sum of positive squares in only one way, i.e., 568516 + 92416 = 754^2 + 304^2 .

It is a super-2 number, since 2×660932² = 873662217248, which contains 22 as substring.

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, 82613 + ... + 82620.

It is an arithmetic number, because the mean of its divisors is an integer number (192773).

2⁶⁶⁰⁹³² is an apocalyptic number.

It is an amenable number.

660932 is a deficient number, since it is larger than the sum of its proper divisors (495706).

660932 is a wasteful number, since it uses less digits than its factorization.

660932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165237 (or 165235 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 660932 is about 812.9772444540. The cubic root of 660932 is about 87.1068401600.

Adding to 660932 its reverse (239066), we get a palindrome (899998).

The spelling of 660932 in words is "six hundred sixty thousand, nine hundred thirty-two".