4878731 has 16 divisors (see below), whose sum is σ = 5802720. Its totient is φ = 4043520.

The previous prime is 4878721. The next prime is 4878767. The reversal of 4878731 is 1378784.

It is not a de Polignac number, because 4878731 - 2⁶ = 4878667 is a prime.

It is a super-2 number, since 2×4878731² = 47604032340722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4878701) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15431 + ... + 15743.

It is an arithmetic number, because the mean of its divisors is an integer number (362670).

Almost surely, 2^4878731 is an apocalyptic number.

4878731 is a deficient number, since it is larger than the sum of its proper divisors (923989).

4878731 is a wasteful number, since it uses less digits than its factorization.

4878731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its digits is 37632, while the sum is 38.

The square root of 4878731 is about 2208.7849601082. The cubic root of 4878731 is about 169.6038179061.

The spelling of 4878731 in words is "four million, eight hundred seventy-eight thousand, seven hundred thirty-one".