426633 has 4 divisors (see below), whose sum is σ = 568848. Its totient is φ = 284420.

The previous prime is 426631. The next prime is 426637. The reversal of 426633 is 336624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426633 - 2¹ = 426631 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (426631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71103 + ... + 71108.

It is an arithmetic number, because the mean of its divisors is an integer number (142212).

2⁴²⁶⁶³³ is an apocalyptic number.

It is an amenable number.

426633 is a deficient number, since it is larger than the sum of its proper divisors (142215).

426633 is a wasteful number, since it uses less digits than its factorization.

426633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142214.

The product of its digits is 2592, while the sum is 24.

The square root of 426633 is about 653.1714935605. The cubic root of 426633 is about 75.2809021618.

Subtracting from 426633 its reverse (336624), we obtain a palindrome (90009).

The spelling of 426633 in words is "four hundred twenty-six thousand, six hundred thirty-three".