447694808 has 64 divisors (see below), whose sum is σ = 978048000. Its totient is φ = 190108800.

The previous prime is 447694781. The next prime is 447694811. The reversal of 447694808 is 808496744.

It is a super-2 number, since 2×447694808² = 400861282220313728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76283 + ... + 81941.

It is an arithmetic number, because the mean of its divisors is an integer number (15282000).

Almost surely, 2^447694808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447694808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489024000).

447694808 is an abundant number, since it is smaller than the sum of its proper divisors (530353192).

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

447694808 is a wasteful number, since it uses less digits than its factorization.

447694808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736 (or 5732 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 447694808 is about 21158.7997769250. The cubic root of 447694808 is about 764.9986802774.

The spelling of 447694808 in words is "four hundred forty-seven million, six hundred ninety-four thousand, eight hundred eight".