38449867 has 2 divisors, whose sum is σ = 38449868. Its totient is φ = 38449866.

The previous prime is 38449799. The next prime is 38449877. The reversal of 38449867 is 76894483.

38449867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38449867 - 2⁷ = 38449739 is a prime.

It is a super-3 number, since 3×38449867³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38449867.

It is not a weakly prime, because it can be changed into another prime (38449877) 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, 19224933 + 19224934.

It is an arithmetic number, because the mean of its divisors is an integer number (19224934).

Almost surely, 2^38449867 is an apocalyptic number.

38449867 is a deficient number, since it is larger than the sum of its proper divisors (1).

38449867 is an equidigital number, since it uses as much as digits as its factorization.

38449867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 38449867 is about 6200.7956747501. The cubic root of 38449867 is about 337.5190427298.

The spelling of 38449867 in words is "thirty-eight million, four hundred forty-nine thousand, eight hundred sixty-seven".