426213 has 24 divisors (see below), whose sum is σ = 673920. Its totient is φ = 258720.

The previous prime is 426211. The next prime is 426229. The reversal of 426213 is 312624.

It is a happy number.

426213 is a `hidden beast` number, since 42 + 621 + 3 = 666.

It is not a de Polignac number, because 426213 - 2¹ = 426211 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5968 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁴²⁶²¹³ is an apocalyptic number.

It is an amenable number.

426213 is a deficient number, since it is larger than the sum of its proper divisors (247707).

426213 is a wasteful number, since it uses less digits than its factorization.

426213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 126 counting only the distinct ones).

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

The square root of 426213 is about 652.8499061806. The cubic root of 426213 is about 75.2561905556.

Adding to 426213 its reverse (312624), we get a palindrome (738837).

It can be divided in two parts, 42621 and 3, that added together give a palindrome (42624).

The spelling of 426213 in words is "four hundred twenty-six thousand, two hundred thirteen".