4788939 has 4 divisors (see below), whose sum is σ = 6385256. Its totient is φ = 3192624.

The previous prime is 4788937. The next prime is 4788941. The reversal of 4788939 is 9398874.

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

It is an interprime number because it is at equal distance from previous prime (4788937) and next prime (4788941).

It is not a de Polignac number, because 4788939 - 2¹ = 4788937 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4788937) 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, 798154 + ... + 798159.

It is an arithmetic number, because the mean of its divisors is an integer number (1596314).

Almost surely, 2^4788939 is an apocalyptic number.

4788939 is a deficient number, since it is larger than the sum of its proper divisors (1596317).

4788939 is a wasteful number, since it uses less digits than its factorization.

4788939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596316.

The product of its digits is 435456, while the sum is 48.

The square root of 4788939 is about 2188.3644577629. The cubic root of 4788939 is about 168.5568610618.

The spelling of 4788939 in words is "four million, seven hundred eighty-eight thousand, nine hundred thirty-nine".