6990894 has 16 divisors (see below), whose sum is σ = 15535440. Its totient is φ = 2330280.

The previous prime is 6990889. The next prime is 6990901. The reversal of 6990894 is 4980996.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64677 + ... + 64784.

It is an arithmetic number, because the mean of its divisors is an integer number (970965).

Almost surely, 2^6990894 is an apocalyptic number.

6990894 is an abundant number, since it is smaller than the sum of its proper divisors (8544546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6990894 is a wasteful number, since it uses less digits than its factorization.

6990894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129472 (or 129466 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 6990894 is about 2644.0298788024. The cubic root of 6990894 is about 191.2101339435.

The spelling of 6990894 in words is "six million, nine hundred ninety thousand, eight hundred ninety-four".