338658 has 8 divisors (see below), whose sum is σ = 677328. Its totient is φ = 112884.

The previous prime is 338609. The next prime is 338659. The reversal of 338658 is 856833.

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

338658 is an admirable number.

It is a super-2 number, since 2×338658² = 229378481928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28216 + ... + 28227.

It is an arithmetic number, because the mean of its divisors is an integer number (84666).

2³³⁸⁶⁵⁸ is an apocalyptic number.

338658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338658 is a wasteful number, since it uses less digits than its factorization.

338658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56448.

The product of its digits is 17280, while the sum is 33.

The square root of 338658 is about 581.9432962068. The cubic root of 338658 is about 69.7033706405.

The spelling of 338658 in words is "three hundred thirty-eight thousand, six hundred fifty-eight".