38086709 has 2 divisors, whose sum is σ = 38086710. Its totient is φ = 38086708.

The previous prime is 38086703. The next prime is 38086721. The reversal of 38086709 is 90768083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21252100 + 16834609 = 4610^2 + 4103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38086709 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 (38086703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19043354 + 19043355.

It is an arithmetic number, because the mean of its divisors is an integer number (19043355).

Almost surely, 2^38086709 is an apocalyptic number.

It is an amenable number.

38086709 is a deficient number, since it is larger than the sum of its proper divisors (1).

38086709 is an equidigital number, since it uses as much as digits as its factorization.

38086709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 38086709 is about 6171.4430241233. The cubic root of 38086709 is about 336.4530600479.

The spelling of 38086709 in words is "thirty-eight million, eighty-six thousand, seven hundred nine".