338143 has 12 divisors (see below), whose sum is σ = 393960. Its totient is φ = 287712.

The previous prime is 338141. The next prime is 338153. The reversal of 338143 is 341833.

338143 = 77² + 78² + ... + 113².

It is not a de Polignac number, because 338143 - 2¹ = 338141 is a prime.

It is a super-2 number, since 2×338143² = 228681376898, which contains 22 as substring.

It is the 582-nd Hogben number.

It is a Duffinian number.

338143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338141) by changing a digit.

It is a nontrivial repunit in base 581.

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 11 ways as a sum of consecutive naturals, for example, 9121 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (32830).

2³³⁸¹⁴³ is an apocalyptic number.

338143 is a deficient number, since it is larger than the sum of its proper divisors (55817).

338143 is a wasteful number, since it uses less digits than its factorization.

338143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 69 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 338143 is about 581.5006448836. The cubic root of 338143 is about 69.6680198858.

Adding to 338143 its reverse (341833), we get a palindrome (679976).

The spelling of 338143 in words is "three hundred thirty-eight thousand, one hundred forty-three".