38975899 has 2 divisors, whose sum is σ = 38975900. Its totient is φ = 38975898.

The previous prime is 38975891. The next prime is 38975903. The reversal of 38975899 is 99857983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38975899 - 2³ = 38975891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38975891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19487949 + 19487950.

It is an arithmetic number, because the mean of its divisors is an integer number (19487950).

Almost surely, 2^38975899 is an apocalyptic number.

38975899 is a deficient number, since it is larger than the sum of its proper divisors (1).

38975899 is an equidigital number, since it uses as much as digits as its factorization.

38975899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 38975899 is about 6243.0680758742. The cubic root of 38975899 is about 339.0512738495.

The spelling of 38975899 in words is "thirty-eight million, nine hundred seventy-five thousand, eight hundred ninety-nine".