6683390 has 32 divisors (see below), whose sum is σ = 13837824. Its totient is φ = 2276640.

The previous prime is 6683387. The next prime is 6683401. The reversal of 6683390 is 933866.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6683390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21335 + ... + 21645.

It is an arithmetic number, because the mean of its divisors is an integer number (432432).

Almost surely, 2^6683390 is an apocalyptic number.

6683390 is an abundant number, since it is smaller than the sum of its proper divisors (7154434).

6683390 is a wasteful number, since it uses less digits than its factorization.

6683390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 6683390 is about 2585.2253286706. The cubic root of 6683390 is about 188.3644469615.

The spelling of 6683390 in words is "six million, six hundred eighty-three thousand, three hundred ninety".