38745799 has 2 divisors, whose sum is σ = 38745800. Its totient is φ = 38745798.

The previous prime is 38745781. The next prime is 38745821. The reversal of 38745799 is 99754783.

It is a weak prime.

It is an emirp because it is prime and its reverse (99754783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38745799 - 2⁵ = 38745767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38745299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19372899 + 19372900.

It is an arithmetic number, because the mean of its divisors is an integer number (19372900).

Almost surely, 2^38745799 is an apocalyptic number.

38745799 is a deficient number, since it is larger than the sum of its proper divisors (1).

38745799 is an equidigital number, since it uses as much as digits as its factorization.

38745799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 52.

The square root of 38745799 is about 6224.6123574083. The cubic root of 38745799 is about 338.3827433696.

The spelling of 38745799 in words is "thirty-eight million, seven hundred forty-five thousand, seven hundred ninety-nine".