4456644 has 12 divisors (see below), whose sum is σ = 10398864. Its totient is φ = 1485544.

The previous prime is 4456643. The next prime is 4456651. The reversal of 4456644 is 4466544.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4456643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185682 + ... + 185705.

It is an arithmetic number, because the mean of its divisors is an integer number (866572).

Almost surely, 2^4456644 is an apocalyptic number.

It is an amenable number.

4456644 is an abundant number, since it is smaller than the sum of its proper divisors (5942220).

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

4456644 is a wasteful number, since it uses less digits than its factorization.

4456644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371394 (or 371392 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 4456644 is about 2111.0765026403. The cubic root of 4456644 is about 164.5644343127.

The spelling of 4456644 in words is "four million, four hundred fifty-six thousand, six hundred forty-four".