4427664 has 20 divisors (see below), whose sum is σ = 11438256. Its totient is φ = 1475872.

The previous prime is 4427659. The next prime is 4427681. The reversal of 4427664 is 4667244.

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, 46074 + ... + 46169.

Almost surely, 2^4427664 is an apocalyptic number.

It is an amenable number.

4427664 is an abundant number, since it is smaller than the sum of its proper divisors (7010592).

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

4427664 is a wasteful number, since it uses less digits than its factorization.

4427664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92254 (or 92248 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 4427664 is about 2104.2015112626. The cubic root of 4427664 is about 164.2069566510.

The spelling of 4427664 in words is "four million, four hundred twenty-seven thousand, six hundred sixty-four".