6990694 has 8 divisors (see below), whose sum is σ = 10508400. Its totient is φ = 3487896.

The previous prime is 6990691. The next prime is 6990701. The reversal of 6990694 is 4960996.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6990694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990691) 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 3 ways as a sum of consecutive naturals, for example, 2469 + ... + 4480.

It is an arithmetic number, because the mean of its divisors is an integer number (1313550).

Almost surely, 2^6990694 is an apocalyptic number.

6990694 is a deficient number, since it is larger than the sum of its proper divisors (3517706).

6990694 is a wasteful number, since it uses less digits than its factorization.

6990694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 6990694 is about 2643.9920574767. The cubic root of 6990694 is about 191.2083105052.

The spelling of 6990694 in words is "six million, nine hundred ninety thousand, six hundred ninety-four".