426003 has 8 divisors (see below), whose sum is σ = 601488. Its totient is φ = 267264.

The previous prime is 425989. The next prime is 426007. The reversal of 426003 is 300624.

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

It is not a de Polignac number, because 426003 - 2⁴ = 425987 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426003.

It is not an unprimeable number, because it can be changed into a prime (426007) 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, 4126 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (75186).

2⁴²⁶⁰⁰³ is an apocalyptic number.

426003 is a deficient number, since it is larger than the sum of its proper divisors (175485).

426003 is a wasteful number, since it uses less digits than its factorization.

426003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8373.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 426003 is about 652.6890530720. The cubic root of 426003 is about 75.2438286643.

Adding to 426003 its reverse (300624), we get a palindrome (726627).

The spelling of 426003 in words is "four hundred twenty-six thousand, three".