4439264 has 12 divisors (see below), whose sum is σ = 8739864. Its totient is φ = 2219616.

The previous prime is 4439257. The next prime is 4439269. The reversal of 4439264 is 4629344.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 138727 = 4439264 / (4 + 4 + 3 + 9 + 2 + 6 + 4).

It is a d-powerful number, because it can be written as 4 + 4⁸ + 3¹¹ + 9 + 2¹¹ + 6³ + 4¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 4439264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69332 + ... + 69395.

It is an arithmetic number, because the mean of its divisors is an integer number (728322).

Almost surely, 2^4439264 is an apocalyptic number.

It is an amenable number.

4439264 is a deficient number, since it is larger than the sum of its proper divisors (4300600).

4439264 is a wasteful number, since it uses less digits than its factorization.

4439264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138737 (or 138729 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 4439264 is about 2106.9560982612. The cubic root of 4439264 is about 164.3502330798.

The spelling of 4439264 in words is "four million, four hundred thirty-nine thousand, two hundred sixty-four".