6990263 has 8 divisors (see below), whose sum is σ = 8159232. Its totient is φ = 5863896.

The previous prime is 6990259. The next prime is 6990289. The reversal of 6990263 is 3620996.

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

It is a cyclic number.

It is not a de Polignac number, because 6990263 - 2² = 6990259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10295 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (1019904).

Almost surely, 2^6990263 is an apocalyptic number.

6990263 is a deficient number, since it is larger than the sum of its proper divisors (1168969).

6990263 is a wasteful number, since it uses less digits than its factorization.

6990263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21301.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 6990263 is about 2643.9105506806. The cubic root of 6990263 is about 191.2043808774.

The spelling of 6990263 in words is "six million, nine hundred ninety thousand, two hundred sixty-three".