669452 has 12 divisors (see below), whose sum is σ = 1338960. Its totient is φ = 286896.

The previous prime is 669451. The next prime is 669463. The reversal of 669452 is 254966.

669452 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (669451) 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, 11927 + ... + 11982.

It is an arithmetic number, because the mean of its divisors is an integer number (111580).

2⁶⁶⁹⁴⁵² is an apocalyptic number.

It is an amenable number.

669452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669452 is a wasteful number, since it uses less digits than its factorization.

669452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23920 (or 23918 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 669452 is about 818.2004644340. The cubic root of 669452 is about 87.4795380725.

The spelling of 669452 in words is "six hundred sixty-nine thousand, four hundred fifty-two".