6698979 has 24 divisors (see below), whose sum is σ = 11168352. Its totient is φ = 3790080.

The previous prime is 6698977. The next prime is 6698981. The reversal of 6698979 is 9798966.

It is an interprime number because it is at equal distance from previous prime (6698977) and next prime (6698981).

It is not a de Polignac number, because 6698979 - 2¹ = 6698977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6698977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6649 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (465348).

Almost surely, 2^6698979 is an apocalyptic number.

6698979 is a deficient number, since it is larger than the sum of its proper divisors (4469373).

6698979 is a wasteful number, since it uses less digits than its factorization.

6698979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1064 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 6698979 is about 2588.2385902385. The cubic root of 6698979 is about 188.5107865315.

The spelling of 6698979 in words is "six million, six hundred ninety-eight thousand, nine hundred seventy-nine".