6690333 has 16 divisors (see below), whose sum is σ = 10172736. Its totient is φ = 3874560.

The previous prime is 6690331. The next prime is 6690347. The reversal of 6690333 is 3330966.

It is not a de Polignac number, because 6690333 - 2¹ = 6690331 is a prime.

6690333 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6690333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4383 + ... + 5708.

It is an arithmetic number, because the mean of its divisors is an integer number (635796).

Almost surely, 2^6690333 is an apocalyptic number.

It is an amenable number.

6690333 is a deficient number, since it is larger than the sum of its proper divisors (3482403).

6690333 is a wasteful number, since it uses less digits than its factorization.

6690333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 8748, while the sum is 30.

The square root of 6690333 is about 2586.5678030935. The cubic root of 6690333 is about 188.4296514832.

The spelling of 6690333 in words is "six million, six hundred ninety thousand, three hundred thirty-three".