16338789 has 12 divisors (see below), whose sum is σ = 23988172. Its totient is φ = 10713600.

The previous prime is 16338781. The next prime is 16338851. The reversal of 16338789 is 98783361.

It is a happy number.

16338789 is a `hidden beast` number, since 1 + 633 + 8 + 7 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1361889 + 14976900 = 1167^2 + 3870^2 .

It is not a de Polignac number, because 16338789 - 2³ = 16338781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14332 + ... + 15429.

Almost surely, 2^16338789 is an apocalyptic number.

It is an amenable number.

16338789 is a deficient number, since it is larger than the sum of its proper divisors (7649383).

16338789 is a wasteful number, since it uses less digits than its factorization.

16338789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29828 (or 29825 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 16338789 is about 4042.1267916779. The cubic root of 16338789 is about 253.7503333410.

The spelling of 16338789 in words is "sixteen million, three hundred thirty-eight thousand, seven hundred eighty-nine".