38849971 has 2 divisors, whose sum is σ = 38849972. Its totient is φ = 38849970.

The previous prime is 38849959. The next prime is 38849977. The reversal of 38849971 is 17994883.

It is a happy number.

38849971 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 38849971 - 2⁵ = 38849939 is a prime.

It is not a weakly prime, because it can be changed into another prime (38849977) 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, 19424985 + 19424986.

It is an arithmetic number, because the mean of its divisors is an integer number (19424986).

Almost surely, 2^38849971 is an apocalyptic number.

38849971 is a deficient number, since it is larger than the sum of its proper divisors (1).

38849971 is an equidigital number, since it uses as much as digits as its factorization.

38849971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 38849971 is about 6232.9744905623. The cubic root of 38849971 is about 338.6857307393.

The spelling of 38849971 in words is "thirty-eight million, eight hundred forty-nine thousand, nine hundred seventy-one".