426242 has 8 divisors (see below), whose sum is σ = 661500. Its totient is φ = 205744.

The previous prime is 426233. The next prime is 426253. The reversal of 426242 is 242624.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 5041 = 649^2 + 71^2 .

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

It is an unprimeable number.

426242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 3732.

2⁴²⁶²⁴² is an apocalyptic number.

426242 is a deficient number, since it is larger than the sum of its proper divisors (235258).

426242 is a wasteful number, since it uses less digits than its factorization.

426242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380.

The product of its digits is 768, while the sum is 20.

The square root of 426242 is about 652.8721161146. The cubic root of 426242 is about 75.2578973548.

Adding to 426242 its reverse (242624), we get a palindrome (668866).

The spelling of 426242 in words is "four hundred twenty-six thousand, two hundred forty-two".