447384120 has 64 divisors (see below), whose sum is σ = 1354734720. Its totient is φ = 118184064.

The previous prime is 447384101. The next prime is 447384139. The reversal of 447384120 is 21483744.

It is an interprime number because it is at equal distance from previous prime (447384101) and next prime (447384139).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4582 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (21167730).

Almost surely, 2^447384120 is an apocalyptic number.

447384120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447384120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677367360).

447384120 is an abundant number, since it is smaller than the sum of its proper divisors (907350600).

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

447384120 is a wasteful number, since it uses less digits than its factorization.

447384120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34964 (or 34960 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 447384120 is about 21151.4566874246. The cubic root of 447384120 is about 764.8216765782.

The spelling of 447384120 in words is "four hundred forty-seven million, three hundred eighty-four thousand, one hundred twenty".