6990366 has 32 divisors (see below), whose sum is σ = 15586560. Its totient is φ = 2077056.

The previous prime is 6990359. The next prime is 6990371. The reversal of 6990366 is 6630996.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (487080).

Almost surely, 2^6990366 is an apocalyptic number.

6990366 is an abundant number, since it is smaller than the sum of its proper divisors (8596194).

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

6990366 is a wasteful number, since it uses less digits than its factorization.

6990366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 6990366 is about 2643.9300293313. The cubic root of 6990366 is about 191.2053199911.

The spelling of 6990366 in words is "six million, nine hundred ninety thousand, three hundred sixty-six".