426342 has 16 divisors (see below), whose sum is σ = 974592. Its totient is φ = 121800.

The previous prime is 426331. The next prime is 426353. The reversal of 426342 is 243624.

It is an interprime number because it is at equal distance from previous prime (426331) and next prime (426353).

It is a Harshad number since it is a multiple of its sum of digits (21).

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 426342.

It is an unprimeable number.

426342 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 7 ways as a sum of consecutive naturals, for example, 5034 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (60912).

2⁴²⁶³⁴² is an apocalyptic number.

426342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

426342 is an abundant number, since it is smaller than the sum of its proper divisors (548250).

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

426342 is a wasteful number, since it uses less digits than its factorization.

426342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163.

The product of its digits is 1152, while the sum is 21.

The square root of 426342 is about 652.9486963001. The cubic root of 426342 is about 75.2637822756.

426342 divided by its sum of digits (21) gives a palindrome (20302).

Adding to 426342 its reverse (243624), we get a palindrome (669966).

The spelling of 426342 in words is "four hundred twenty-six thousand, three hundred forty-two".