38634159 has 4 divisors (see below), whose sum is σ = 51512216. Its totient is φ = 25756104.

The previous prime is 38634157. The next prime is 38634173. The reversal of 38634159 is 95143683.

38634159 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 not a de Polignac number, because 38634159 - 2¹ = 38634157 is a prime.

It is a super-3 number, since 3×38634159³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38634151) 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, 6439024 + ... + 6439029.

It is an arithmetic number, because the mean of its divisors is an integer number (12878054).

Almost surely, 2^38634159 is an apocalyptic number.

38634159 is a deficient number, since it is larger than the sum of its proper divisors (12878057).

38634159 is a wasteful number, since it uses less digits than its factorization.

38634159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878056.

The product of its digits is 77760, while the sum is 39.

The square root of 38634159 is about 6215.6382616751. The cubic root of 38634159 is about 338.0574316237.

The spelling of 38634159 in words is "thirty-eight million, six hundred thirty-four thousand, one hundred fifty-nine".