843426 has 16 divisors (see below), whose sum is σ = 1874400. Its totient is φ = 281124.

The previous prime is 843397. The next prime is 843443. The reversal of 843426 is 624348.

It is a super-2 number, since 2×843426² = 1422734834952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 843426.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (117150).

2⁸⁴³⁴²⁶ is an apocalyptic number.

843426 is an abundant number, since it is smaller than the sum of its proper divisors (1030974).

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

843426 is a wasteful number, since it uses less digits than its factorization.

843426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630 (or 15624 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 843426 is about 918.3822733481. The cubic root of 843426 is about 94.4819819515.

It can be divided in two parts, 84342 and 6, that added together give a palindrome (84348).

The spelling of 843426 in words is "eight hundred forty-three thousand, four hundred twenty-six".