38642159 has 2 divisors, whose sum is σ = 38642160. Its totient is φ = 38642158.

The previous prime is 38642137. The next prime is 38642179. The reversal of 38642159 is 95124683.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (95124683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38642159 - 2²⁰ = 37593583 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 (38642179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19321079 + 19321080.

It is an arithmetic number, because the mean of its divisors is an integer number (19321080).

Almost surely, 2^38642159 is an apocalyptic number.

38642159 is a deficient number, since it is larger than the sum of its proper divisors (1).

38642159 is an equidigital number, since it uses as much as digits as its factorization.

38642159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 38642159 is about 6216.2817664581. The cubic root of 38642159 is about 338.0807639361.

The spelling of 38642159 in words is "thirty-eight million, six hundred forty-two thousand, one hundred fifty-nine".