426231 has 12 divisors (see below), whose sum is σ = 663208. Its totient is φ = 262224.

The previous prime is 426229. The next prime is 426233. The reversal of 426231 is 132624.

It is a happy number.

426231 is a `hidden beast` number, since 42 + 623 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (426229) and next prime (426233).

It is not a de Polignac number, because 426231 - 2¹ = 426229 is a prime.

It is a super-2 number, since 2×426231² = 363345730722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1705 + ... + 1938.

2⁴²⁶²³¹ is an apocalyptic number.

426231 is a deficient number, since it is larger than the sum of its proper divisors (236977).

426231 is a wasteful number, since it uses less digits than its factorization.

426231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3659 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 426231 is about 652.8636917458. The cubic root of 426231 is about 75.2572499573.

Adding to 426231 its reverse (132624), we get a palindrome (558855).

It can be divided in two parts, 42623 and 1, that added together give a palindrome (42624).

The spelling of 426231 in words is "four hundred twenty-six thousand, two hundred thirty-one".