6980918 has 16 divisors (see below), whose sum is σ = 12088224. Its totient is φ = 2961600.

The previous prime is 6980903. The next prime is 6980927. The reversal of 6980918 is 8190896.

It is a super-2 number, since 2×6980918² = 97466432245448, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 3882.

It is an arithmetic number, because the mean of its divisors is an integer number (755514).

Almost surely, 2^6980918 is an apocalyptic number.

6980918 is a deficient number, since it is larger than the sum of its proper divisors (5107306).

6980918 is a wasteful number, since it uses less digits than its factorization.

6980918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 6980918 is about 2642.1426910748. The cubic root of 6980918 is about 191.1191384115.

The spelling of 6980918 in words is "six million, nine hundred eighty thousand, nine hundred eighteen".