447031664 has 20 divisors (see below), whose sum is σ = 884553504. Its totient is φ = 218759808.

The previous prime is 447031631. The next prime is 447031667. The reversal of 447031664 is 466130744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447031667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296477 + ... + 297980.

Almost surely, 2^447031664 is an apocalyptic number.

It is an amenable number.

447031664 is a deficient number, since it is larger than the sum of its proper divisors (437521840).

447031664 is a wasteful number, since it uses less digits than its factorization.

447031664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594512 (or 594506 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 447031664 is about 21143.1233265097. The cubic root of 447031664 is about 764.6207777702.

The spelling of 447031664 in words is "four hundred forty-seven million, thirty-one thousand, six hundred sixty-four".