6998817 has 24 divisors (see below), whose sum is σ = 11097216. Its totient is φ = 3910368.

The previous prime is 6998779. The next prime is 6998833. The reversal of 6998817 is 7188996.

It is a happy number.

It is not a de Polignac number, because 6998817 - 2⁸ = 6998561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6998837) 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 23 ways as a sum of consecutive naturals, for example, 6403 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (462384).

Almost surely, 2^6998817 is an apocalyptic number.

It is an amenable number.

6998817 is a deficient number, since it is larger than the sum of its proper divisors (4098399).

6998817 is a wasteful number, since it uses less digits than its factorization.

6998817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1070 counting only the distinct ones).

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

The square root of 6998817 is about 2645.5277356323. The cubic root of 6998817 is about 191.2823414911.

The spelling of 6998817 in words is "six million, nine hundred ninety-eight thousand, eight hundred seventeen".