16789939 has 8 divisors (see below), whose sum is σ = 17874000. Its totient is φ = 15725952.

The previous prime is 16789933. The next prime is 16789963. The reversal of 16789939 is 93998761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16789939 - 2⁵ = 16789907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16789933) 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, 3274 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (2234250).

Almost surely, 2^16789939 is an apocalyptic number.

16789939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16789939 is a deficient number, since it is larger than the sum of its proper divisors (1084061).

16789939 is an equidigital number, since it uses as much as digits as its factorization.

16789939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037.

The product of its digits is 734832, while the sum is 52.

The square root of 16789939 is about 4097.5528062491. The cubic root of 16789939 is about 256.0646961731.

The spelling of 16789939 in words is "sixteen million, seven hundred eighty-nine thousand, nine hundred thirty-nine".