38161867 has 4 divisors (see below), whose sum is σ = 38212776. Its totient is φ = 38110960.

The previous prime is 38161841. The next prime is 38161909. The reversal of 38161867 is 76816183.

38161867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38161867 - 2¹¹ = 38159819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38161817) 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 in 3 ways as a sum of consecutive naturals, for example, 24313 + ... + 25834.

It is an arithmetic number, because the mean of its divisors is an integer number (9553194).

Almost surely, 2^38161867 is an apocalyptic number.

38161867 is a deficient number, since it is larger than the sum of its proper divisors (50909).

38161867 is an equidigital number, since it uses as much as digits as its factorization.

38161867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50908.

The product of its digits is 48384, while the sum is 40.

The square root of 38161867 is about 6177.5291986360. The cubic root of 38161867 is about 336.6742266490.

The spelling of 38161867 in words is "thirty-eight million, one hundred sixty-one thousand, eight hundred sixty-seven".