6981798 has 16 divisors (see below), whose sum is σ = 14785200. Its totient is φ = 2190336.

The previous prime is 6981791. The next prime is 6981823. The reversal of 6981798 is 8971896.

It is a happy number.

6981798 is nontrivially palindromic in base 16.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981791) 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, 34123 + ... + 34326.

It is an arithmetic number, because the mean of its divisors is an integer number (924075).

Almost surely, 2^6981798 is an apocalyptic number.

6981798 is an abundant number, since it is smaller than the sum of its proper divisors (7803402).

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

6981798 is a wasteful number, since it uses less digits than its factorization.

6981798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68471.

The product of its digits is 217728, while the sum is 48.

The square root of 6981798 is about 2642.3092173324. The cubic root of 6981798 is about 191.1271687677.

The spelling of 6981798 in words is "six million, nine hundred eighty-one thousand, seven hundred ninety-eight".