4420664 has 8 divisors (see below), whose sum is σ = 8288760. Its totient is φ = 2210328.

The previous prime is 4420639. The next prime is 4420667. The reversal of 4420664 is 4660244.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276284 + ... + 276299.

It is an arithmetic number, because the mean of its divisors is an integer number (1036095).

Almost surely, 2^4420664 is an apocalyptic number.

It is an amenable number.

4420664 is a deficient number, since it is larger than the sum of its proper divisors (3868096).

4420664 is a wasteful number, since it uses less digits than its factorization.

4420664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552589 (or 552585 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4420664 is about 2102.5375145286. The cubic root of 4420664 is about 164.1203756325.

The spelling of 4420664 in words is "four million, four hundred twenty thousand, six hundred sixty-four".