426442 has 8 divisors (see below), whose sum is σ = 648000. Its totient is φ = 210444.

The previous prime is 426427. The next prime is 426469. The reversal of 426442 is 244624.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁴²⁶⁴⁴² is an apocalyptic number.

426442 is a deficient number, since it is larger than the sum of its proper divisors (221558).

426442 is a wasteful number, since it uses less digits than its factorization.

426442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780.

The product of its digits is 1536, while the sum is 22.

The square root of 426442 is about 653.0252675050. The cubic root of 426442 is about 75.2696662763.

It can be divided in two parts, 426 and 442, that added together give a palindrome (868).

The spelling of 426442 in words is "four hundred twenty-six thousand, four hundred forty-two".