843042 has 32 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 260480.

The previous prime is 842993. The next prime is 843043. The reversal of 843042 is 240348.

It is a happy number.

843042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843043) by changing a digit.

843042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2⁸⁴³⁰⁴² is an apocalyptic number.

843042 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

843042 is an abundant number, since it is smaller than the sum of its proper divisors (971358).

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

843042 is a wasteful number, since it uses less digits than its factorization.

843042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 843042 is about 918.1731862781. The cubic root of 843042 is about 94.4676410022.

The spelling of 843042 in words is "eight hundred forty-three thousand, forty-two".