4455644 has 12 divisors (see below), whose sum is σ = 7812168. Its totient is φ = 2223600.

The previous prime is 4455641. The next prime is 4455667. The reversal of 4455644 is 4465544.

It is a self number, because there is not a number n which added to its sum of digits gives 4455644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455641) 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, 3539 + ... + 4629.

It is an arithmetic number, because the mean of its divisors is an integer number (651014).

Almost surely, 2^4455644 is an apocalyptic number.

It is an amenable number.

4455644 is a deficient number, since it is larger than the sum of its proper divisors (3356524).

4455644 is a wasteful number, since it uses less digits than its factorization.

4455644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2114 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 4455644 is about 2110.8396433647. The cubic root of 4455644 is about 164.5521248451.

The spelling of 4455644 in words is "four million, four hundred fifty-five thousand, six hundred forty-four".