38868539 has 2 divisors, whose sum is σ = 38868540. Its totient is φ = 38868538.

The previous prime is 38868527. The next prime is 38868563. The reversal of 38868539 is 93586883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38868539 - 2⁴ = 38868523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38868589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19434269 + 19434270.

It is an arithmetic number, because the mean of its divisors is an integer number (19434270).

Almost surely, 2^38868539 is an apocalyptic number.

38868539 is a deficient number, since it is larger than the sum of its proper divisors (1).

38868539 is an equidigital number, since it uses as much as digits as its factorization.

38868539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 38868539 is about 6234.4638101444. The cubic root of 38868539 is about 338.7396794285.

The spelling of 38868539 in words is "thirty-eight million, eight hundred sixty-eight thousand, five hundred thirty-nine".