447283164 has 12 divisors (see below), whose sum is σ = 1043660744. Its totient is φ = 149094384.

The previous prime is 447283157. The next prime is 447283169. The reversal of 447283164 is 461382744.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447283169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18636787 + ... + 18636810.

Almost surely, 2^447283164 is an apocalyptic number.

It is an amenable number.

447283164 is an abundant number, since it is smaller than the sum of its proper divisors (596377580).

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

447283164 is a wasteful number, since it uses less digits than its factorization.

447283164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37273604 (or 37273602 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 447283164 is about 21149.0700504774. The cubic root of 447283164 is about 764.7641427630.

The spelling of 447283164 in words is "four hundred forty-seven million, two hundred eighty-three thousand, one hundred sixty-four".