448459928 has 32 divisors (see below), whose sum is σ = 963705600. Its totient is φ = 191653152.

The previous prime is 448459909. The next prime is 448459931. The reversal of 448459928 is 829954844.

It is a happy number.

It is a super-2 number, since 2×448459928² = 402232614043530368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448459928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951 + ... + 31257.

It is an arithmetic number, because the mean of its divisors is an integer number (30115800).

Almost surely, 2^448459928 is an apocalyptic number.

It is an amenable number.

448459928 is an abundant number, since it is smaller than the sum of its proper divisors (515245672).

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

448459928 is a wasteful number, since it uses less digits than its factorization.

448459928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22679 (or 22675 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 448459928 is about 21176.8724791930. The cubic root of 448459928 is about 765.4342319501.

The spelling of 448459928 in words is "four hundred forty-eight million, four hundred fifty-nine thousand, nine hundred twenty-eight".