447921696 has 24 divisors (see below), whose sum is σ = 1175794704. Its totient is φ = 149307200.

The previous prime is 447921673. The next prime is 447921731. The reversal of 447921696 is 696129744.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332830 + ... + 2333021.

It is an arithmetic number, because the mean of its divisors is an integer number (48991446).

Almost surely, 2^447921696 is an apocalyptic number.

It is an amenable number.

447921696 is an abundant number, since it is smaller than the sum of its proper divisors (727873008).

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

447921696 is a wasteful number, since it uses less digits than its factorization.

447921696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665864 (or 4665856 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 447921696 is about 21164.1606495509. The cubic root of 447921696 is about 765.1278901056.

The spelling of 447921696 in words is "four hundred forty-seven million, nine hundred twenty-one thousand, six hundred ninety-six".