16998028 has 12 divisors (see below), whose sum is σ = 31496472. Its totient is φ = 7999040.

The previous prime is 16997999. The next prime is 16998041. The reversal of 16998028 is 82089961.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 124918 + ... + 125053.

It is an arithmetic number, because the mean of its divisors is an integer number (2624706).

Almost surely, 2^16998028 is an apocalyptic number.

It is an amenable number.

16998028 is a deficient number, since it is larger than the sum of its proper divisors (14498444).

16998028 is a wasteful number, since it uses less digits than its factorization.

16998028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249992 (or 249990 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 16998028 is about 4122.8664785559. The cubic root of 16998028 is about 257.1182163925.

The spelling of 16998028 in words is "sixteen million, nine hundred ninety-eight thousand, twenty-eight".