426243 has 8 divisors (see below), whose sum is σ = 580608. Its totient is φ = 278024.

The previous prime is 426233. The next prime is 426253. The reversal of 426243 is 342624.

It is an interprime number because it is at equal distance from previous prime (426233) and next prime (426253).

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

It is a cyclic number.

It is not a de Polignac number, because 426243 - 2⁵ = 426211 is a prime.

It is a d-powerful number, because it can be written as 4² + 2¹⁵ + 2¹⁷ + 6³ + 4⁹ + 3³ .

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 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2⁴²⁶²⁴³ is an apocalyptic number.

426243 is a deficient number, since it is larger than the sum of its proper divisors (154365).

426243 is a wasteful number, since it uses less digits than its factorization.

426243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073.

The product of its digits is 1152, while the sum is 21.

The square root of 426243 is about 652.8728819610. The cubic root of 426243 is about 75.2579562085.

Adding to 426243 its reverse (342624), we get a palindrome (768867).

The spelling of 426243 in words is "four hundred twenty-six thousand, two hundred forty-three".