6657232 has 10 divisors (see below), whose sum is σ = 12898418. Its totient is φ = 3328608.

The previous prime is 6657223. The next prime is 6657257. The reversal of 6657232 is 2327566.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 781456 = 2424^2 + 884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6657194 and 6657203.

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, 208023 + ... + 208054.

Almost surely, 2^6657232 is an apocalyptic number.

It is an amenable number.

6657232 is a deficient number, since it is larger than the sum of its proper divisors (6241186).

6657232 is a wasteful number, since it uses less digits than its factorization.

6657232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416085 (or 416079 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 6657232 is about 2580.1612352719. The cubic root of 6657232 is about 188.1183802485.

It can be divided in two parts, 6657 and 232, that added together give a square (6889 = 83²).

The spelling of 6657232 in words is "six million, six hundred fifty-seven thousand, two hundred thirty-two".