4643944 has 32 divisors (see below), whose sum is σ = 9268200. Its totient is φ = 2177280.

The previous prime is 4643939. The next prime is 4643959. The reversal of 4643944 is 4493464.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4452100 + 191844 = 2110^2 + 438^2 .

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8314 + ... + 8854.

Almost surely, 2^4643944 is an apocalyptic number.

It is an amenable number.

4643944 is a deficient number, since it is larger than the sum of its proper divisors (4624256).

4643944 is a wasteful number, since it uses less digits than its factorization.

4643944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 609 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 4643944 is about 2154.9812064146. The cubic root of 4643944 is about 166.8382623799.

The spelling of 4643944 in words is "four million, six hundred forty-three thousand, nine hundred forty-four".