4444664 has 32 divisors (see below), whose sum is σ = 9609600. Its totient is φ = 1887840.

The previous prime is 4444663. The next prime is 4444669. The reversal of 4444664 is 4664444.

It is a self number, because there is not a number n which added to its sum of digits gives 4444664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7499 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

Almost surely, 2^4444664 is an apocalyptic number.

It is an amenable number.

4444664 is an abundant number, since it is smaller than the sum of its proper divisors (5164936).

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

4444664 is a wasteful number, since it uses less digits than its factorization.

4444664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 719 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 4444664 is about 2108.2371783080. The cubic root of 4444664 is about 164.4168455969.

The spelling of 4444664 in words is "four million, four hundred forty-four thousand, six hundred sixty-four".