426373 has 4 divisors (see below), whose sum is σ = 427680. Its totient is φ = 425068.

The previous prime is 426353. The next prime is 426383. The reversal of 426373 is 373624.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 426373 - 2⁹ = 425861 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 2¹⁷ + 3⁵ + 6 + 7⁶ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426353) 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, 318 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2⁴²⁶³⁷³ is an apocalyptic number.

It is an amenable number.

426373 is a deficient number, since it is larger than the sum of its proper divisors (1307).

426373 is an equidigital number, since it uses as much as digits as its factorization.

426373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its digits is 3024, while the sum is 25.

The square root of 426373 is about 652.9724343339. The cubic root of 426373 is about 75.2656064142.

Adding to 426373 its reverse (373624), we get a palindrome (799997).

The spelling of 426373 in words is "four hundred twenty-six thousand, three hundred seventy-three".