6998808 has 64 divisors (see below), whose sum is σ = 18892800. Its totient is φ = 2154240.

The previous prime is 6998779. The next prime is 6998833. The reversal of 6998808 is 8088996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16908 + ... + 17316.

It is an arithmetic number, because the mean of its divisors is an integer number (295200).

Almost surely, 2^6998808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6998808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9446400).

6998808 is an abundant number, since it is smaller than the sum of its proper divisors (11893992).

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

6998808 is a wasteful number, since it uses less digits than its factorization.

6998808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 6998808 is about 2645.5260346479. The cubic root of 6998808 is about 191.2822594991.

The spelling of 6998808 in words is "six million, nine hundred ninety-eight thousand, eight hundred eight".