6980979 has 4 divisors (see below), whose sum is σ = 9307976. Its totient is φ = 4653984.

The previous prime is 6980977. The next prime is 6981011. The reversal of 6980979 is 9790896.

It is a happy number.

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

It is not a de Polignac number, because 6980979 - 2¹ = 6980977 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6980971) 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, 1163494 + ... + 1163499.

It is an arithmetic number, because the mean of its divisors is an integer number (2326994).

Almost surely, 2^6980979 is an apocalyptic number.

6980979 is a deficient number, since it is larger than the sum of its proper divisors (2326997).

6980979 is a wasteful number, since it uses less digits than its factorization.

6980979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326996.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 6980979 is about 2642.1542347108. The cubic root of 6980979 is about 191.1196950830.

The spelling of 6980979 in words is "six million, nine hundred eighty thousand, nine hundred seventy-nine".