6861798 has 24 divisors (see below), whose sum is σ = 15270528. Its totient is φ = 2225232.

The previous prime is 6861791. The next prime is 6861809. The reversal of 6861798 is 8971686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4486 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (636272).

Almost surely, 2^6861798 is an apocalyptic number.

6861798 is an abundant number, since it is smaller than the sum of its proper divisors (8408730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6861798 is a wasteful number, since it uses less digits than its factorization.

6861798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348 (or 10345 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 6861798 is about 2619.5033880490. The cubic root of 6861798 is about 190.0258321295.

The spelling of 6861798 in words is "six million, eight hundred sixty-one thousand, seven hundred ninety-eight".