669232 has 20 divisors (see below), whose sum is σ = 1309936. Its totient is φ = 331200.

The previous prime is 669181. The next prime is 669241. The reversal of 669232 is 232966.

It is a self number, because there is not a number n which added to its sum of digits gives 669232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278 + ... + 2554.

2⁶⁶⁹²³² is an apocalyptic number.

It is an amenable number.

669232 is a deficient number, since it is larger than the sum of its proper divisors (640704).

669232 is a wasteful number, since it uses less digits than its factorization.

669232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 669232 is about 818.0660120064. The cubic root of 669232 is about 87.4699543100.

It can be divided in two parts, 6692 and 32, that added together give a square (6724 = 82²).

The spelling of 669232 in words is "six hundred sixty-nine thousand, two hundred thirty-two".