6980005 has 4 divisors (see below), whose sum is σ = 8376012. Its totient is φ = 5584000.

The previous prime is 6979967. The next prime is 6980021. The reversal of 6980005 is 5000896.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 2024929 = 2226^2 + 1423^2 .

It is not a de Polignac number, because 6980005 - 2⁹ = 6979493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697996 + ... + 698005.

It is an arithmetic number, because the mean of its divisors is an integer number (2094003).

Almost surely, 2^6980005 is an apocalyptic number.

It is an amenable number.

6980005 is a deficient number, since it is larger than the sum of its proper divisors (1396007).

6980005 is a wasteful number, since it uses less digits than its factorization.

6980005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396006.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 6980005 is about 2641.9699089884. The cubic root of 6980005 is about 191.1108062036.

The spelling of 6980005 in words is "six million, nine hundred eighty thousand, five".