838143 has 12 divisors (see below), whose sum is σ = 1263600. Its totient is φ = 534336.

The previous prime is 838141. The next prime is 838153. The reversal of 838143 is 341838.

It is not a de Polignac number, because 838143 - 2¹ = 838141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 838143.

It is not an unprimeable number, because it can be changed into a prime (838141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1818 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2⁸³⁸¹⁴³ is an apocalyptic number.

838143 is a deficient number, since it is larger than the sum of its proper divisors (425457).

838143 is a wasteful number, since it uses less digits than its factorization.

838143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078 (or 4075 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 838143 is about 915.5015019103. The cubic root of 838143 is about 94.2842984833.

The spelling of 838143 in words is "eight hundred thirty-eight thousand, one hundred forty-three".