4640044 has 24 divisors (see below), whose sum is σ = 8482320. Its totient is φ = 2218944.

The previous prime is 4640017. The next prime is 4640057. The reversal of 4640044 is 4400464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4639997 and 4640024.

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, 8862 + ... + 9370.

It is an arithmetic number, because the mean of its divisors is an integer number (353430).

Almost surely, 2^4640044 is an apocalyptic number.

It is an amenable number.

4640044 is a deficient number, since it is larger than the sum of its proper divisors (3842276).

4640044 is a wasteful number, since it uses less digits than its factorization.

4640044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4640044 is about 2154.0761360732. The cubic root of 4640044 is about 166.7915455194.

The spelling of 4640044 in words is "four million, six hundred forty thousand, forty-four".