6808990 has 16 divisors (see below), whose sum is σ = 12297600. Its totient is φ = 2714400.

The previous prime is 6808979. The next prime is 6809029. The reversal of 6808990 is 998086.

It is a happy number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515 + ... + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (768600).

Almost surely, 2^6808990 is an apocalyptic number.

6808990 is a deficient number, since it is larger than the sum of its proper divisors (5488610).

6808990 is a wasteful number, since it uses less digits than its factorization.

6808990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 6808990 is about 2609.4041465438. The cubic root of 6808990 is about 189.5371002935.

The spelling of 6808990 in words is "six million, eight hundred eight thousand, nine hundred ninety".