6855790 has 16 divisors (see below), whose sum is σ = 12543840. Its totient is φ = 2697120.

The previous prime is 6855787. The next prime is 6855799. The reversal of 6855790 is 975586.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6855799) 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, 5010 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (783990).

Almost surely, 2^6855790 is an apocalyptic number.

6855790 is a deficient number, since it is larger than the sum of its proper divisors (5688050).

6855790 is a wasteful number, since it uses less digits than its factorization.

6855790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 6855790 is about 2618.3563546622. The cubic root of 6855790 is about 189.9703554858.

The spelling of 6855790 in words is "six million, eight hundred fifty-five thousand, seven hundred ninety".