6800990 has 16 divisors (see below), whose sum is σ = 13990752. Its totient is φ = 2331744.

The previous prime is 6800929. The next prime is 6800999. The reversal of 6800990 is 990086.

It is a happy number.

6800990 is a modest number, since divided by 990 gives 680 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48509 + ... + 48648.

It is an arithmetic number, because the mean of its divisors is an integer number (874422).

Almost surely, 2^6800990 is an apocalyptic number.

6800990 is an abundant number, since it is smaller than the sum of its proper divisors (7189762).

6800990 is a wasteful number, since it uses less digits than its factorization.

6800990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97171.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 6800990 is about 2607.8707790073. The cubic root of 6800990 is about 189.4628410651.

The spelling of 6800990 in words is "six million, eight hundred thousand, nine hundred ninety".