838189 has 8 divisors (see below), whose sum is σ = 954432. Its totient is φ = 728640.

The previous prime is 838171. The next prime is 838193. The reversal of 838189 is 981838.

838189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 838189 - 2⁵ = 838157 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (119304).

2⁸³⁸¹⁸⁹ is an apocalyptic number.

It is an amenable number.

838189 is a deficient number, since it is larger than the sum of its proper divisors (116243).

838189 is a wasteful number, since it uses less digits than its factorization.

838189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its digits is 13824, while the sum is 37.

The square root of 838189 is about 915.5266244081. The cubic root of 838189 is about 94.2860233275.

The spelling of 838189 in words is "eight hundred thirty-eight thousand, one hundred eighty-nine".