447423216 has 40 divisors (see below), whose sum is σ = 1158177360. Its totient is φ = 148839936.

The previous prime is 447423211. The next prime is 447423239. The reversal of 447423216 is 612324744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447423211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15276 + ... + 33588.

It is an arithmetic number, because the mean of its divisors is an integer number (28954434).

Almost surely, 2^447423216 is an apocalyptic number.

It is an amenable number.

447423216 is an abundant number, since it is smaller than the sum of its proper divisors (710754144).

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

447423216 is a wasteful number, since it uses less digits than its factorization.

447423216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18833 (or 18827 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 447423216 is about 21152.3808589010. The cubic root of 447423216 is about 764.8439546728.

The spelling of 447423216 in words is "four hundred forty-seven million, four hundred twenty-three thousand, two hundred sixteen".