4644872 has 16 divisors (see below), whose sum is σ = 9009900. Its totient is φ = 2242240.

The previous prime is 4644853. The next prime is 4644881. The reversal of 4644872 is 2784464.

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 343396 = 2074^2 + 586^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9779 + ... + 10242.

Almost surely, 2^4644872 is an apocalyptic number.

It is an amenable number.

4644872 is a deficient number, since it is larger than the sum of its proper divisors (4365028).

4644872 is a wasteful number, since it uses less digits than its factorization.

4644872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056 (or 20052 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 4644872 is about 2155.1965107618. The cubic root of 4644872 is about 166.8493747445.

The spelling of 4644872 in words is "four million, six hundred forty-four thousand, eight hundred seventy-two".