447989032 has 64 divisors (see below), whose sum is σ = 934053120. Its totient is φ = 200352768.

The previous prime is 447989021. The next prime is 447989051. The reversal of 447989032 is 230989744.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615853 + ... + 616579.

It is an arithmetic number, because the mean of its divisors is an integer number (14594580).

Almost surely, 2^447989032 is an apocalyptic number.

It is an amenable number.

447989032 is an abundant number, since it is smaller than the sum of its proper divisors (486064088).

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

447989032 is a wasteful number, since it uses less digits than its factorization.

447989032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 447989032 is about 21165.7513922847. The cubic root of 447989032 is about 765.1662287041.

The spelling of 447989032 in words is "four hundred forty-seven million, nine hundred eighty-nine thousand, thirty-two".