6998366 has 4 divisors (see below), whose sum is σ = 10497552. Its totient is φ = 3499182.

The previous prime is 6998357. The next prime is 6998377. The reversal of 6998366 is 6638996.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6998366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749590 + ... + 1749593.

It is an arithmetic number, because the mean of its divisors is an integer number (2624388).

Almost surely, 2^6998366 is an apocalyptic number.

6998366 is a deficient number, since it is larger than the sum of its proper divisors (3499186).

6998366 is a wasteful number, since it uses less digits than its factorization.

6998366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499185.

The product of its digits is 419904, while the sum is 47.

The square root of 6998366 is about 2645.4424960675. The cubic root of 6998366 is about 191.2782326925.

The spelling of 6998366 in words is "six million, nine hundred ninety-eight thousand, three hundred sixty-six".