6318939 has 16 divisors (see below), whose sum is σ = 9233280. Its totient is φ = 3812160.

The previous prime is 6318937. The next prime is 6318943. The reversal of 6318939 is 9398136.

It is not a de Polignac number, because 6318939 - 2¹ = 6318937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6318897 and 6318906.

It is not an unprimeable number, because it can be changed into a prime (6318931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13599 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (577080).

Almost surely, 2^6318939 is an apocalyptic number.

6318939 is a deficient number, since it is larger than the sum of its proper divisors (2914341).

6318939 is a wasteful number, since it uses less digits than its factorization.

6318939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its digits is 34992, while the sum is 39.

The square root of 6318939 is about 2513.7499875684. The cubic root of 6318939 is about 184.8763624839.

The spelling of 6318939 in words is "six million, three hundred eighteen thousand, nine hundred thirty-nine".