38889299 has 2 divisors, whose sum is σ = 38889300. Its totient is φ = 38889298.

The previous prime is 38889293. The next prime is 38889341. The reversal of 38889299 is 99298883.

38889299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38889299 is a prime.

It is a super-2 number, since 2×38889299² = 3024755153422802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38889293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19444649 + 19444650.

It is an arithmetic number, because the mean of its divisors is an integer number (19444650).

Almost surely, 2^38889299 is an apocalyptic number.

38889299 is a deficient number, since it is larger than the sum of its proper divisors (1).

38889299 is an equidigital number, since it uses as much as digits as its factorization.

38889299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 56.

The square root of 38889299 is about 6236.1285265780. The cubic root of 38889299 is about 338.7999765592.

The spelling of 38889299 in words is "thirty-eight million, eight hundred eighty-nine thousand, two hundred ninety-nine".