4640344 has 16 divisors (see below), whose sum is σ = 8788320. Its totient is φ = 2296800.

The previous prime is 4640329. The next prime is 4640369. The reversal of 4640344 is 4430464.

It is a happy number.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 2064 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (549270).

Almost surely, 2^4640344 is an apocalyptic number.

It is an amenable number.

4640344 is a deficient number, since it is larger than the sum of its proper divisors (4147976).

4640344 is a wasteful number, since it uses less digits than its factorization.

4640344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4640344 is about 2154.1457703693. The cubic root of 4640344 is about 166.7951400532.

The spelling of 4640344 in words is "four million, six hundred forty thousand, three hundred forty-four".