It is a self number, because there is not a number n which added to its sum of digits gives 6990942.
It is a congruent number.
It is an unprimeable number.
Almost surely, 26990942 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6990942 is a wasteful number, since it uses less digits than its factorization.
6990942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7272.
The square root of 6990942 is about 2644.0389558401. The cubic root of 6990942 is about 191.2105715635.
The spelling of 6990942 in words is "six million, nine hundred ninety thousand, nine hundred forty-two".