447993084 has 72 divisors (see below), whose sum is σ = 1326544128. Its totient is φ = 116360160.

The previous prime is 447993079. The next prime is 447993097. The reversal of 447993084 is 480399744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28164 + ... + 41099.

It is an arithmetic number, because the mean of its divisors is an integer number (18424224).

Almost surely, 2^447993084 is an apocalyptic number.

447993084 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

447993084 is an abundant number, since it is smaller than the sum of its proper divisors (878551044).

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

447993084 is a wasteful number, since it uses less digits than its factorization.

447993084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69295 (or 69286 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 447993084 is about 21165.8471127427. The cubic root of 447993084 is about 765.1685356387.

The spelling of 447993084 in words is "four hundred forty-seven million, nine hundred ninety-three thousand, eighty-four".