16789039 has 4 divisors (see below), whose sum is σ = 16854624. Its totient is φ = 16723456.

The previous prime is 16789037. The next prime is 16789067. The reversal of 16789039 is 93098761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16789039 - 2¹ = 16789037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16788986 and 16789004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16789037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32407 + ... + 32920.

It is an arithmetic number, because the mean of its divisors is an integer number (4213656).

Almost surely, 2^16789039 is an apocalyptic number.

16789039 is a deficient number, since it is larger than the sum of its proper divisors (65585).

16789039 is an equidigital number, since it uses as much as digits as its factorization.

16789039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65584.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 16789039 is about 4097.4429831298. The cubic root of 16789039 is about 256.0601207674.

The spelling of 16789039 in words is "sixteen million, seven hundred eighty-nine thousand, thirty-nine".