660232 has 8 divisors (see below), whose sum is σ = 1237950. Its totient is φ = 330112.

The previous prime is 660227. The next prime is 660241. The reversal of 660232 is 232066.

It can be written as a sum of positive squares in only one way, i.e., 617796 + 42436 = 786^2 + 206^2 .

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

It is an Ulam number.

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, 41257 + ... + 41272.

2⁶⁶⁰²³² is an apocalyptic number.

It is an amenable number.

660232 is a deficient number, since it is larger than the sum of its proper divisors (577718).

660232 is a wasteful number, since it uses less digits than its factorization.

660232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82535 (or 82531 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 660232 is about 812.5466140475. The cubic root of 660232 is about 87.0760773749.

Adding to 660232 its reverse (232066), we get a palindrome (892298).

The spelling of 660232 in words is "six hundred sixty thousand, two hundred thirty-two".