338158 has 4 divisors (see below), whose sum is σ = 507240. Its totient is φ = 169078.

The previous prime is 338153. The next prime is 338159. The reversal of 338158 is 851833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851833 = 149 ⋅5717.

It is a super-2 number, since 2×338158² = 228701665928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338153) by changing a digit.

338158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84538 + ... + 84541.

It is an arithmetic number, because the mean of its divisors is an integer number (126810).

2³³⁸¹⁵⁸ is an apocalyptic number.

338158 is a deficient number, since it is larger than the sum of its proper divisors (169082).

338158 is a wasteful number, since it uses less digits than its factorization.

338158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169081.

The product of its digits is 2880, while the sum is 28.

The square root of 338158 is about 581.5135424046. The cubic root of 338158 is about 69.6690500267.

It can be divided in two parts, 338 and 158, that added together give a triangular number (496 = T₃₁).

The spelling of 338158 in words is "three hundred thirty-eight thousand, one hundred fifty-eight".