16800039 has 12 divisors (see below), whose sum is σ = 24322896. Its totient is φ = 11174112.

The previous prime is 16800023. The next prime is 16800053. The reversal of 16800039 is 93000861.

It is not a de Polignac number, because 16800039 - 2⁴ = 16800023 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 16799985 and 16800021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16800059) 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, 2467 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (2026908).

Almost surely, 2^16800039 is an apocalyptic number.

16800039 is a deficient number, since it is larger than the sum of its proper divisors (7522857).

16800039 is a wasteful number, since it uses less digits than its factorization.

16800039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4323 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 16800039 is about 4098.7850638939. The cubic root of 16800039 is about 256.1160311822.

The spelling of 16800039 in words is "sixteen million, eight hundred thousand, thirty-nine".