38996939 has 2 divisors, whose sum is σ = 38996940. Its totient is φ = 38996938.

The previous prime is 38996921. The next prime is 38996941. The reversal of 38996939 is 93969983.

38996939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38996939 - 2²⁴ = 22219723 is a prime.

It is a super-2 number, since 2×38996939² = 3041522502739442, which contains 22 as substring.

Together with 38996941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38996999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19498469 + 19498470.

It is an arithmetic number, because the mean of its divisors is an integer number (19498470).

Almost surely, 2^38996939 is an apocalyptic number.

38996939 is a deficient number, since it is larger than the sum of its proper divisors (1).

38996939 is an equidigital number, since it uses as much as digits as its factorization.

38996939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2834352, while the sum is 56.

The square root of 38996939 is about 6244.7529174500. The cubic root of 38996939 is about 339.1122718486.

The spelling of 38996939 in words is "thirty-eight million, nine hundred ninety-six thousand, nine hundred thirty-nine".