669352 has 16 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 323760.

The previous prime is 669329. The next prime is 669359. The reversal of 669352 is 253966.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (669359) 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, 1102 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁶⁶⁹³⁵² is an apocalyptic number.

669352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

669352 is a deficient number, since it is larger than the sum of its proper divisors (626648).

669352 is a wasteful number, since it uses less digits than its factorization.

669352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2732 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 669352 is about 818.1393524333. The cubic root of 669352 is about 87.4751820771.

The spelling of 669352 in words is "six hundred sixty-nine thousand, three hundred fifty-two".