38158 has 4 divisors (see below), whose sum is σ = 57240. Its totient is φ = 19078.

The previous prime is 38153. The next prime is 38167. The reversal of 38158 is 85183.

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

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9538 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (14310).

2³⁸¹⁵⁸ is an apocalyptic number.

38158 is a deficient number, since it is larger than the sum of its proper divisors (19082).

38158 is a wasteful number, since it uses less digits than its factorization.

38158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081.

The product of its digits is 960, while the sum is 25.

The square root of 38158 is about 195.3407279601. The cubic root of 38158 is about 33.6662854361. Note that the first 3 decimals are identical.

Adding to 38158 its sum of digits (25), we get a palindrome (38183).

It can be divided in two parts, 38 and 158, that added together give a square (196 = 14²).

The spelling of 38158 in words is "thirty-eight thousand, one hundred fifty-eight".