4539904 has 20 divisors (see below), whose sum is σ = 9071964. Its totient is φ = 2269696.

The previous prime is 4539883. The next prime is 4539907. The reversal of 4539904 is 4099354.

4539904 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4539904² = 41221456658432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4539904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3922 + ... + 4945.

Almost surely, 2^4539904 is an apocalyptic number.

It is an amenable number.

4539904 is a deficient number, since it is larger than the sum of its proper divisors (4532060).

4539904 is an frugal number, since it uses more digits than its factorization.

4539904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885 (or 8869 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4539904 is about 2130.7050476309. The cubic root of 4539904 is about 165.5829274410.

The spelling of 4539904 in words is "four million, five hundred thirty-nine thousand, nine hundred four".