16789998 has 16 divisors (see below), whose sum is σ = 34295040. Its totient is φ = 5477496.

The previous prime is 16789991. The next prime is 16790017. The reversal of 16789998 is 89998761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16789991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29488 + ... + 30051.

It is an arithmetic number, because the mean of its divisors is an integer number (2143440).

Almost surely, 2^16789998 is an apocalyptic number.

16789998 is an abundant number, since it is smaller than the sum of its proper divisors (17505042).

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

16789998 is a wasteful number, since it uses less digits than its factorization.

16789998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59591.

The product of its digits is 1959552, while the sum is 57.

The square root of 16789998 is about 4097.5600056619. The cubic root of 16789998 is about 256.0649961106.

The spelling of 16789998 in words is "sixteen million, seven hundred eighty-nine thousand, nine hundred ninety-eight".