16839049 has 2 divisors, whose sum is σ = 16839050. Its totient is φ = 16839048.

The previous prime is 16839037. The next prime is 16839071. The reversal of 16839049 is 94093861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11269449 + 5569600 = 3357^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 16839049 - 2¹¹ = 16837001 is a prime.

It is not a weakly prime, because it can be changed into another prime (16839029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8419524 + 8419525.

It is an arithmetic number, because the mean of its divisors is an integer number (8419525).

Almost surely, 2^16839049 is an apocalyptic number.

It is an amenable number.

16839049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16839049 is an equidigital number, since it uses as much as digits as its factorization.

16839049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 16839049 is about 4103.5410318407. The cubic root of 16839049 is about 256.3141133251.

The spelling of 16839049 in words is "sixteen million, eight hundred thirty-nine thousand, forty-nine".