426444 has 12 divisors (see below), whose sum is σ = 995064. Its totient is φ = 142144.

The previous prime is 426427. The next prime is 426469. The reversal of 426444 is 444624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

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, 17757 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (82922).

2⁴²⁶⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

426444 is an abundant number, since it is smaller than the sum of its proper divisors (568620).

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

426444 is a wasteful number, since it uses less digits than its factorization.

426444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35544 (or 35542 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 426444 is about 653.0267988375. The cubic root of 426444 is about 75.2697839469.

The spelling of 426444 in words is "four hundred twenty-six thousand, four hundred forty-four".