669315 has 8 divisors (see below), whose sum is σ = 1070928. Its totient is φ = 356960.

The previous prime is 669311. The next prime is 669329. The reversal of 669315 is 513966.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 669315 - 2² = 669311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22296 + ... + 22325.

It is an arithmetic number, because the mean of its divisors is an integer number (133866).

2⁶⁶⁹³¹⁵ is an apocalyptic number.

669315 is a deficient number, since it is larger than the sum of its proper divisors (401613).

669315 is a wasteful number, since it uses less digits than its factorization.

669315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44629.

The product of its digits is 4860, while the sum is 30.

The square root of 669315 is about 818.1167398361. The cubic root of 669315 is about 87.4735702489.

The spelling of 669315 in words is "six hundred sixty-nine thousand, three hundred fifteen".