426004 has 6 divisors (see below), whose sum is σ = 745514. Its totient is φ = 213000.

The previous prime is 425989. The next prime is 426007. The reversal of 426004 is 400624.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 900 = 652^2 + 30^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426007) by changing a digit.

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 as a sum of consecutive naturals, namely, 53247 + ... + 53254.

2⁴²⁶⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

426004 is a deficient number, since it is larger than the sum of its proper divisors (319510).

426004 is a wasteful number, since it uses less digits than its factorization.

426004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106505 (or 106503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 426004 is about 652.6898191331. The cubic root of 426004 is about 75.2438875401.

Adding to 426004 its reverse (400624), we get a palindrome (826628).

The spelling of 426004 in words is "four hundred twenty-six thousand, four".