447660964 has 27 divisors (see below), whose sum is σ = 799964641. Its totient is φ = 219196880.

The previous prime is 447660943. The next prime is 447660973. The reversal of 447660964 is 469066744.

The square root of 447660964 is 21158.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 395214400 = 7242^2 + 19880^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3004362 + ... + 3004510.

Almost surely, 2^447660964 is an apocalyptic number.

447660964 is the 21158-th square number.

It is an amenable number.

447660964 is a deficient number, since it is larger than the sum of its proper divisors (352303677).

447660964 is an equidigital number, since it uses as much as digits as its factorization.

447660964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The cubic root of 447660964 is about 764.9794028088.

The spelling of 447660964 in words is "four hundred forty-seven million, six hundred sixty thousand, nine hundred sixty-four".