4392664 has 16 divisors (see below), whose sum is σ = 8721000. Its totient is φ = 2067072.

The previous prime is 4392653. The next prime is 4392679. The reversal of 4392664 is 4662934.

4392664 = T₂₄₁ + T₂₄₂ + ... + T₃₄₂.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 3⁹ + 9³ + 2¹⁷ + 6³ + 6⁶ + 4¹¹ .

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, 16014 + ... + 16285.

Almost surely, 2^4392664 is an apocalyptic number.

It is an amenable number.

4392664 is a deficient number, since it is larger than the sum of its proper divisors (4328336).

4392664 is a wasteful number, since it uses less digits than its factorization.

4392664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32322 (or 32318 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 4392664 is about 2095.8683164741. The cubic root of 4392664 is about 163.7731346604.

The spelling of 4392664 in words is "four million, three hundred ninety-two thousand, six hundred sixty-four".