447631620 has 48 divisors (see below), whose sum is σ = 1270550400. Its totient is φ = 117732096.

The previous prime is 447631601. The next prime is 447631627. The reversal of 447631620 is 26136744.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (447631627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46720 + ... + 55479.

It is an arithmetic number, because the mean of its divisors is an integer number (26469800).

Almost surely, 2^447631620 is an apocalyptic number.

It is an amenable number.

447631620 is an abundant number, since it is smaller than the sum of its proper divisors (822918780).

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

447631620 is a wasteful number, since it uses less digits than its factorization.

447631620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102284 (or 102282 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 447631620 is about 21157.3065393495. The cubic root of 447631620 is about 764.9626877440.

The spelling of 447631620 in words is "four hundred forty-seven million, six hundred thirty-one thousand, six hundred twenty".