6690298 has 16 divisors (see below), whose sum is σ = 10414656. Its totient is φ = 3220960.

The previous prime is 6690289. The next prime is 6690319. The reversal of 6690298 is 8920966.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6690298.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6315 + ... + 7297.

It is an arithmetic number, because the mean of its divisors is an integer number (650916).

Almost surely, 2^6690298 is an apocalyptic number.

6690298 is a deficient number, since it is larger than the sum of its proper divisors (3724358).

6690298 is a wasteful number, since it uses less digits than its factorization.

6690298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 6690298 is about 2586.5610373622. The cubic root of 6690298 is about 188.4293228972.

The spelling of 6690298 in words is "six million, six hundred ninety thousand, two hundred ninety-eight".