6690303 has 24 divisors (see below), whose sum is σ = 10242960. Its totient is φ = 4315680.

The previous prime is 6690289. The next prime is 6690319. The reversal of 6690303 is 3030966.

It is not a de Polignac number, because 6690303 - 2⁶ = 6690239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36873 + ... + 37053.

It is an arithmetic number, because the mean of its divisors is an integer number (426790).

Almost surely, 2^6690303 is an apocalyptic number.

6690303 is a deficient number, since it is larger than the sum of its proper divisors (3552657).

6690303 is a wasteful number, since it uses less digits than its factorization.

6690303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 6690303 is about 2586.5620038963. The cubic root of 6690303 is about 188.4293698381.

The spelling of 6690303 in words is "six million, six hundred ninety thousand, three hundred three".