6980999 has 8 divisors (see below), whose sum is σ = 7781040. Its totient is φ = 6224256.

The previous prime is 6980977. The next prime is 6981011. The reversal of 6980999 is 9990896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6980999 - 2¹² = 6976903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980929) by changing a digit.

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, 10484 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (972630).

Almost surely, 2^6980999 is an apocalyptic number.

6980999 is a deficient number, since it is larger than the sum of its proper divisors (800041).

6980999 is a wasteful number, since it uses less digits than its factorization.

6980999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21649.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 6980999 is about 2642.1580194985. The cubic root of 6980999 is about 191.1198775975.

Adding to 6980999 its product of nonzero digits (314928), we get a palindrome (7295927).

The spelling of 6980999 in words is "six million, nine hundred eighty thousand, nine hundred ninety-nine".