6991268 has 12 divisors (see below), whose sum is σ = 12297600. Its totient is φ = 3477672.

The previous prime is 6991253. The next prime is 6991277. The reversal of 6991268 is 8621996.

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, 3596 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (1024800).

Almost surely, 2^6991268 is an apocalyptic number.

It is an amenable number.

6991268 is a deficient number, since it is larger than the sum of its proper divisors (5306332).

6991268 is a wasteful number, since it uses less digits than its factorization.

6991268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986 (or 8984 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 6991268 is about 2644.1006032298. The cubic root of 6991268 is about 191.2135436798.

The spelling of 6991268 in words is "six million, nine hundred ninety-one thousand, two hundred sixty-eight".