447253156 has 12 divisors (see below), whose sum is σ = 894506368. Its totient is φ = 191679912.

The previous prime is 447253127. The next prime is 447253189. The reversal of 447253156 is 651352744.

447253156 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7986636 + ... + 7986691.

Almost surely, 2^447253156 is an apocalyptic number.

It is an amenable number.

447253156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

447253156 is a wasteful number, since it uses less digits than its factorization.

447253156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15973338 (or 15973336 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 447253156 is about 21148.3605984010. The cubic root of 447253156 is about 764.7470398347.

The spelling of 447253156 in words is "four hundred forty-seven million, two hundred fifty-three thousand, one hundred fifty-six".