38716829 has 2 divisors, whose sum is σ = 38716830. Its totient is φ = 38716828.

The previous prime is 38716819. The next prime is 38716831. The reversal of 38716829 is 92861783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31416025 + 7300804 = 5605^2 + 2702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38716829 is a prime.

Together with 38716831, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38716829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38716819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19358414 + 19358415.

It is an arithmetic number, because the mean of its divisors is an integer number (19358415).

Almost surely, 2^38716829 is an apocalyptic number.

It is an amenable number.

38716829 is a deficient number, since it is larger than the sum of its proper divisors (1).

38716829 is an equidigital number, since it uses as much as digits as its factorization.

38716829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 38716829 is about 6222.2848697243. The cubic root of 38716829 is about 338.2983867637.

The spelling of 38716829 in words is "thirty-eight million, seven hundred sixteen thousand, eight hundred twenty-nine".