6980631 has 8 divisors (see below), whose sum is σ = 10637184. Its totient is φ = 3988920.

The previous prime is 6980629. The next prime is 6980639. The reversal of 6980631 is 1360896.

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

It is not a de Polignac number, because 6980631 - 2¹ = 6980629 is a prime.

It is a super-2 number, since 2×6980631² = 97458418316322, which contains 22 as substring.

6980631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6980592 and 6980601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166185 + ... + 166226.

It is an arithmetic number, because the mean of its divisors is an integer number (1329648).

Almost surely, 2^6980631 is an apocalyptic number.

6980631 is a deficient number, since it is larger than the sum of its proper divisors (3656553).

6980631 is a wasteful number, since it uses less digits than its factorization.

6980631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332421.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 6980631 is about 2642.0883785369. The cubic root of 6980631 is about 191.1165192744.

The spelling of 6980631 in words is "six million, nine hundred eighty thousand, six hundred thirty-one".