6986331 has 20 divisors (see below), whose sum is σ = 11386584. Its totient is φ = 4233600.

The previous prime is 6986327. The next prime is 6986333. The reversal of 6986331 is 1336896.

It is a happy number.

It is not a de Polignac number, because 6986331 - 2² = 6986327 is a prime.

It is a super-2 number, since 2×6986331² = 97617641683122, which contains 22 as substring.

6986331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6986333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3030 + ... + 4811.

Almost surely, 2^6986331 is an apocalyptic number.

6986331 is a deficient number, since it is larger than the sum of its proper divisors (4400253).

6986331 is a wasteful number, since it uses less digits than its factorization.

6986331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864 (or 7855 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6986331 is about 2643.1668505791. The cubic root of 6986331 is about 191.1685235411.

The spelling of 6986331 in words is "six million, nine hundred eighty-six thousand, three hundred thirty-one".