424426 has 8 divisors (see below), whose sum is σ = 641700. Its totient is φ = 210528.

The previous prime is 424423. The next prime is 424429. The reversal of 424426 is 624424.

424426 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (424423) and next prime (424429).

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 625 = 651^2 + 25^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 424397 and 424406.

It is not an unprimeable number, because it can be changed into a prime (424423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501 + ... + 1048.

2⁴²⁴⁴²⁶ is an apocalyptic number.

424426 is a deficient number, since it is larger than the sum of its proper divisors (217274).

424426 is a wasteful number, since it uses less digits than its factorization.

424426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its digits is 1536, while the sum is 22.

The square root of 424426 is about 651.4798538712. The cubic root of 424426 is about 75.1508666901.

The spelling of 424426 in words is "four hundred twenty-four thousand, four hundred twenty-six".