426189 has 8 divisors (see below), whose sum is σ = 598240. Its totient is φ = 269136.

The previous prime is 426163. The next prime is 426193. The reversal of 426189 is 981624.

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

It is not a de Polignac number, because 426189 - 2⁷ = 426061 is a prime.

It is a Duffinian number.

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 426189.

It is not an unprimeable number, because it can be changed into a prime (426089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3682 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (74780).

2⁴²⁶¹⁸⁹ is an apocalyptic number.

It is an amenable number.

426189 is a deficient number, since it is larger than the sum of its proper divisors (172051).

426189 is a wasteful number, since it uses less digits than its factorization.

426189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499.

The product of its digits is 3456, while the sum is 30.

The square root of 426189 is about 652.8315249741. The cubic root of 426189 is about 75.2547779735.

The spelling of 426189 in words is "four hundred twenty-six thousand, one hundred eighty-nine".