38159147 has 8 divisors (see below), whose sum is σ = 41153616. Its totient is φ = 35173152.

The previous prime is 38159141. The next prime is 38159161. The reversal of 38159147 is 74195183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38159147 - 2⁸ = 38158891 is a prime.

It is a super-2 number, since 2×38159147² = 2912240999535218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38159147.

It is not an unprimeable number, because it can be changed into a prime (38159141) 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 7 ways as a sum of consecutive naturals, for example, 9728 + ... + 13074.

It is an arithmetic number, because the mean of its divisors is an integer number (5144202).

Almost surely, 2^38159147 is an apocalyptic number.

38159147 is a deficient number, since it is larger than the sum of its proper divisors (2994469).

38159147 is a wasteful number, since it uses less digits than its factorization.

38159147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237.

The product of its digits is 30240, while the sum is 38.

The square root of 38159147 is about 6177.3090419697. The cubic root of 38159147 is about 336.6662276024. Note that the first 3 decimals are identical.

The spelling of 38159147 in words is "thirty-eight million, one hundred fifty-nine thousand, one hundred forty-seven".