3456664 has 16 divisors (see below), whose sum is σ = 6579000. Its totient is φ = 1702272.

The previous prime is 3456653. The next prime is 3456667. The reversal of 3456664 is 4666543.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689 + ... + 3760.

Almost surely, 2^3456664 is an apocalyptic number.

It is an amenable number.

3456664 is a deficient number, since it is larger than the sum of its proper divisors (3122336).

3456664 is a wasteful number, since it uses less digits than its factorization.

3456664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522 (or 6518 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 3456664 is about 1859.2105851678. The cubic root of 3456664 is about 151.2002080939.

The spelling of 3456664 in words is "three million, four hundred fifty-six thousand, six hundred sixty-four".