16230789 has 6 divisors (see below), whose sum is σ = 23444486. Its totient is φ = 10820520.

The previous prime is 16230707. The next prime is 16230811. The reversal of 16230789 is 98703261.

It can be written as a sum of positive squares in only one way, i.e., 13616100 + 2614689 = 3690^2 + 1617^2 .

It is not a de Polignac number, because 16230789 - 2⁷ = 16230661 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 (16230289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 901702 + ... + 901719.

Almost surely, 2^16230789 is an apocalyptic number.

It is an amenable number.

16230789 is a deficient number, since it is larger than the sum of its proper divisors (7213697).

16230789 is a wasteful number, since it uses less digits than its factorization.

16230789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803427 (or 1803424 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 16230789 is about 4028.7453381915. The cubic root of 16230789 is about 253.1899972090.

Subtracting from 16230789 its sum of digits (36), we obtain a triangular number (16230753 = T₅₆₉₇).

The spelling of 16230789 in words is "sixteen million, two hundred thirty thousand, seven hundred eighty-nine".