665034492 has 24 divisors (see below), whose sum is σ = 1643026896. Its totient is φ = 208638208.

The previous prime is 665034479. The next prime is 665034511. The reversal of 665034492 is 294430566.

It is a self number, because there is not a number n which added to its sum of digits gives 665034492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629783 + ... + 1630190.

It is an arithmetic number, because the mean of its divisors is an integer number (68459454).

Almost surely, 2^665034492 is an apocalyptic number.

It is an amenable number.

665034492 is an abundant number, since it is smaller than the sum of its proper divisors (977992404).

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

665034492 is a wasteful number, since it uses less digits than its factorization.

665034492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259997 (or 3259995 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 665034492 is about 25788.2626789786. The cubic root of 665034492 is about 872.8669641884.

The spelling of 665034492 in words is "six hundred sixty-five million, thirty-four thousand, four hundred ninety-two".