838042 has 8 divisors (see below), whose sum is σ = 1300500. Its totient is φ = 404544.

The previous prime is 838039. The next prime is 838043. The reversal of 838042 is 240838.

838042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 741321 + 96721 = 861^2 + 311^2 .

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

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 837998 and 838016.

It is not an unprimeable number, because it can be changed into a prime (838043) 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, 7167 + ... + 7282.

2⁸³⁸⁰⁴² is an apocalyptic number.

838042 is a deficient number, since it is larger than the sum of its proper divisors (462458).

838042 is a wasteful number, since it uses less digits than its factorization.

838042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14480.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 838042 is about 915.4463392248. The cubic root of 838042 is about 94.2805111038.

The spelling of 838042 in words is "eight hundred thirty-eight thousand, forty-two".