6998856 has 16 divisors (see below), whose sum is σ = 17497200. Its totient is φ = 2332944.

The previous prime is 6998851. The next prime is 6998857. The reversal of 6998856 is 6588996.

It is a junction number, because it is equal to n+sod(n) for n = 6998799 and 6998808.

It is not an unprimeable number, because it can be changed into a prime (6998851) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 145786 + ... + 145833.

It is an arithmetic number, because the mean of its divisors is an integer number (1093575).

Almost surely, 2^6998856 is an apocalyptic number.

It is an amenable number.

6998856 is an abundant number, since it is smaller than the sum of its proper divisors (10498344).

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

6998856 is a wasteful number, since it uses less digits than its factorization.

6998856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291628 (or 291624 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 6998856 is about 2645.5351065522. The cubic root of 6998856 is about 191.2826967891.

The spelling of 6998856 in words is "six million, nine hundred ninety-eight thousand, eight hundred fifty-six".