16939039 has 12 divisors (see below), whose sum is σ = 18525456. Its totient is φ = 15480192.

The previous prime is 16939037. The next prime is 16939057. The reversal of 16939039 is 93093961.

It is not a de Polignac number, because 16939039 - 2¹ = 16939037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16938992 and 16939010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16939037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18654 + ... + 19540.

It is an arithmetic number, because the mean of its divisors is an integer number (1543788).

Almost surely, 2^16939039 is an apocalyptic number.

16939039 is a deficient number, since it is larger than the sum of its proper divisors (1586417).

16939039 is a wasteful number, since it uses less digits than its factorization.

16939039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 16939039 is about 4115.7063792258. The cubic root of 16939039 is about 256.8204421362.

The spelling of 16939039 in words is "sixteen million, nine hundred thirty-nine thousand, thirty-nine".