4215664 has 20 divisors (see below), whose sum is σ = 8220456. Its totient is φ = 2094272.

The previous prime is 4215641. The next prime is 4215683. The reversal of 4215664 is 4665124.

It is a congruent number.

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, 2007 + ... + 3529.

Almost surely, 2^4215664 is an apocalyptic number.

It is an amenable number.

4215664 is a deficient number, since it is larger than the sum of its proper divisors (4004792).

4215664 is a wasteful number, since it uses less digits than its factorization.

4215664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1698 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 4215664 is about 2053.2082212966. The cubic root of 4215664 is about 161.5431931168.

The spelling of 4215664 in words is "four million, two hundred fifteen thousand, six hundred sixty-four".