447811312 has 20 divisors (see below), whose sum is σ = 934375960. Its totient is φ = 206682048.

The previous prime is 447811279. The next prime is 447811319. The reversal of 447811312 is 213118744.

It is a super-2 number, since 2×447811312² = 401069942310322688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447811319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076262 + ... + 1076677.

It is an arithmetic number, because the mean of its divisors is an integer number (46718798).

Almost surely, 2^447811312 is an apocalyptic number.

It is an amenable number.

447811312 is an abundant number, since it is smaller than the sum of its proper divisors (486564648).

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

447811312 is a wasteful number, since it uses less digits than its factorization.

447811312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152960 (or 2152954 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 447811312 is about 21161.5526840542. The cubic root of 447811312 is about 765.0650332741.

The spelling of 447811312 in words is "four hundred forty-seven million, eight hundred eleven thousand, three hundred twelve".