4878831 has 4 divisors (see below), whose sum is σ = 6505112. Its totient is φ = 3252552.

The previous prime is 4878827. The next prime is 4878851. The reversal of 4878831 is 1388784.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4878831 - 2² = 4878827 is a prime.

It is a super-2 number, since 2×4878831² = 47605983853122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4878831 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4878831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878821) 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, 813136 + ... + 813141.

It is an arithmetic number, because the mean of its divisors is an integer number (1626278).

Almost surely, 2^4878831 is an apocalyptic number.

4878831 is a deficient number, since it is larger than the sum of its proper divisors (1626281).

4878831 is a wasteful number, since it uses less digits than its factorization.

4878831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626280.

The product of its digits is 43008, while the sum is 39.

The square root of 4878831 is about 2208.8075968721. The cubic root of 4878831 is about 169.6049766955.

The spelling of 4878831 in words is "four million, eight hundred seventy-eight thousand, eight hundred thirty-one".