38761399 has 2 divisors, whose sum is σ = 38761400. Its totient is φ = 38761398.

The previous prime is 38761367. The next prime is 38761409. The reversal of 38761399 is 99316783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38761399 - 2⁵ = 38761367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38761319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19380699 + 19380700.

It is an arithmetic number, because the mean of its divisors is an integer number (19380700).

Almost surely, 2^38761399 is an apocalyptic number.

38761399 is a deficient number, since it is larger than the sum of its proper divisors (1).

38761399 is an equidigital number, since it uses as much as digits as its factorization.

38761399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 38761399 is about 6225.8653213830. The cubic root of 38761399 is about 338.4281509806.

The spelling of 38761399 in words is "thirty-eight million, seven hundred sixty-one thousand, three hundred ninety-nine".