38336939 has 2 divisors, whose sum is σ = 38336940. Its totient is φ = 38336938.

The previous prime is 38336933. The next prime is 38336983. The reversal of 38336939 is 93963383.

It is an a-pointer prime, because the next prime (38336983) can be obtained adding 38336939 to its sum of digits (44).

It is a weak prime.

It is an emirp because it is prime and its reverse (93963383) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38336939 is a prime.

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 38336939.

It is not a weakly prime, because it can be changed into another prime (38336933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19168469 + 19168470.

It is an arithmetic number, because the mean of its divisors is an integer number (19168470).

Almost surely, 2^38336939 is an apocalyptic number.

38336939 is a deficient number, since it is larger than the sum of its proper divisors (1).

38336939 is an equidigital number, since it uses as much as digits as its factorization.

38336939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 44.

The square root of 38336939 is about 6191.6830506737. The cubic root of 38336939 is about 337.1882853947.

The spelling of 38336939 in words is "thirty-eight million, three hundred thirty-six thousand, nine hundred thirty-nine".