38868899 has 2 divisors, whose sum is σ = 38868900. Its totient is φ = 38868898.

The previous prime is 38868871. The next prime is 38868901. The reversal of 38868899 is 99886883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38868899 - 2²⁴ = 22091683 is a prime.

It is a Sophie Germain prime.

Together with 38868901, 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 (38868199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19434449 + 19434450.

It is an arithmetic number, because the mean of its divisors is an integer number (19434450).

Almost surely, 2^38868899 is an apocalyptic number.

38868899 is a deficient number, since it is larger than the sum of its proper divisors (1).

38868899 is an equidigital number, since it uses as much as digits as its factorization.

38868899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 59.

The square root of 38868899 is about 6234.4926818467. The cubic root of 38868899 is about 338.7407252264.

The spelling of 38868899 in words is "thirty-eight million, eight hundred sixty-eight thousand, eight hundred ninety-nine".