38945167 has 4 divisors (see below), whose sum is σ = 38987496. Its totient is φ = 38902840.

The previous prime is 38945149. The next prime is 38945171. The reversal of 38945167 is 76154983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76154983 = 19 ⋅4008157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38945167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38945107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19753 + ... + 21634.

It is an arithmetic number, because the mean of its divisors is an integer number (9746874).

Almost surely, 2^38945167 is an apocalyptic number.

38945167 is a deficient number, since it is larger than the sum of its proper divisors (42329).

38945167 is an equidigital number, since it uses as much as digits as its factorization.

38945167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42328.

The product of its digits is 181440, while the sum is 43.

The square root of 38945167 is about 6240.6063006730. The cubic root of 38945167 is about 338.9621378806.

The spelling of 38945167 in words is "thirty-eight million, nine hundred forty-five thousand, one hundred sixty-seven".