4004872 has 16 divisors (see below), whose sum is σ = 7541100. Its totient is φ = 1993920.

The previous prime is 4004867. The next prime is 4004873. The reversal of 4004872 is 2784004.

It can be written as a sum of positive squares in 2 ways, for example, as 2579236 + 1425636 = 1606^2 + 1194^2 .

It is not an unprimeable number, because it can be changed into a prime (4004873) 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, 1222 + ... + 3082.

Almost surely, 2^4004872 is an apocalyptic number.

It is an amenable number.

4004872 is a deficient number, since it is larger than the sum of its proper divisors (3536228).

4004872 is a wasteful number, since it uses less digits than its factorization.

4004872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4004872 is about 2001.2176293447. The cubic root of 4004872 is about 158.8045275311.

Adding to 4004872 its reverse (2784004), we get a palindrome (6788876).

The spelling of 4004872 in words is "four million, four thousand, eight hundred seventy-two".