6988818 has 8 divisors (see below), whose sum is σ = 13977648. Its totient is φ = 2329604.

The previous prime is 6988811. The next prime is 6988829. The reversal of 6988818 is 8188896.

It is a sphenic number, since it is the product of 3 distinct primes.

6988818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6988811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582396 + ... + 582407.

It is an arithmetic number, because the mean of its divisors is an integer number (1747206).

Almost surely, 2^6988818 is an apocalyptic number.

6988818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6988818 is a wasteful number, since it uses less digits than its factorization.

6988818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164808.

The product of its digits is 221184, while the sum is 48.

The square root of 6988818 is about 2643.6372671000. The cubic root of 6988818 is about 191.1912049607.

The spelling of 6988818 in words is "six million, nine hundred eighty-eight thousand, eight hundred eighteen".