4640384 has 32 divisors (see below), whose sum is σ = 10567200. Its totient is φ = 1988352.

The previous prime is 4640369. The next prime is 4640387. The reversal of 4640384 is 4830464.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4640387) 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, 1694 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (330225).

Almost surely, 2^4640384 is an apocalyptic number.

It is an amenable number.

4640384 is an abundant number, since it is smaller than the sum of its proper divisors (5926816).

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

4640384 is an equidigital number, since it uses as much as digits as its factorization.

4640384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4640384 is about 2154.1550547721. The cubic root of 4640384 is about 166.7956193127.

The spelling of 4640384 in words is "four million, six hundred forty thousand, three hundred eighty-four".