16699398 has 16 divisors (see below), whose sum is σ = 33445440. Its totient is φ = 5558696.

The previous prime is 16699393. The next prime is 16699427. The reversal of 16699398 is 89399661.

16699398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16699398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16699391) 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, 4213 + ... + 7151.

It is an arithmetic number, because the mean of its divisors is an integer number (2090340).

Almost surely, 2^16699398 is an apocalyptic number.

16699398 is an abundant number, since it is smaller than the sum of its proper divisors (16746042).

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

16699398 is a wasteful number, since it uses less digits than its factorization.

16699398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its digits is 629856, while the sum is 51.

The square root of 16699398 is about 4086.4896916547. The cubic root of 16699398 is about 255.6035836498.

The spelling of 16699398 in words is "sixteen million, six hundred ninety-nine thousand, three hundred ninety-eight".