665462 has 8 divisors (see below), whose sum is σ = 1140816. Its totient is φ = 285192.

The previous prime is 665447. The next prime is 665479. The reversal of 665462 is 264566.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23753 + ... + 23780.

It is an arithmetic number, because the mean of its divisors is an integer number (142602).

2⁶⁶⁵⁴⁶² is an apocalyptic number.

665462 is a deficient number, since it is larger than the sum of its proper divisors (475354).

665462 is a wasteful number, since it uses less digits than its factorization.

665462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47542.

The product of its digits is 8640, while the sum is 29.

The square root of 665462 is about 815.7585427073. The cubic root of 665462 is about 87.3053960845.

The spelling of 665462 in words is "six hundred sixty-five thousand, four hundred sixty-two".