39038189 has 2 divisors, whose sum is σ = 39038190. Its totient is φ = 39038188.

The previous prime is 39038183. The next prime is 39038203. The reversal of 39038189 is 98183093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 75625 = 6242^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 39038189 - 2⁴ = 39038173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39038183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19519094 + 19519095.

It is an arithmetic number, because the mean of its divisors is an integer number (19519095).

Almost surely, 2^39038189 is an apocalyptic number.

It is an amenable number.

39038189 is a deficient number, since it is larger than the sum of its proper divisors (1).

39038189 is an equidigital number, since it uses as much as digits as its factorization.

39038189 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 41.

The square root of 39038189 is about 6248.0548173011. The cubic root of 39038189 is about 339.2317979129.

The spelling of 39038189 in words is "thirty-nine million, thirty-eight thousand, one hundred eighty-nine".