6990306 has 8 divisors (see below), whose sum is σ = 13980624. Its totient is φ = 2330100.

The previous prime is 6990289. The next prime is 6990307. The reversal of 6990306 is 6030996.

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

6990306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6990307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582520 + ... + 582531.

It is an arithmetic number, because the mean of its divisors is an integer number (1747578).

Almost surely, 2^6990306 is an apocalyptic number.

6990306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6990306 is a wasteful number, since it uses less digits than its factorization.

6990306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165056.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 6990306 is about 2643.9186825619. The cubic root of 6990306 is about 191.2047729357.

The spelling of 6990306 in words is "six million, nine hundred ninety thousand, three hundred six".