426205 has 16 divisors (see below), whose sum is σ = 564480. Its totient is φ = 307008.

The previous prime is 426197. The next prime is 426211. The reversal of 426205 is 502624.

It is not a de Polignac number, because 426205 - 2³ = 426197 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 2¹⁵ + 2¹⁷ + 6³ + 0 + 5 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5094 + ... + 5176.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2⁴²⁶²⁰⁵ is an apocalyptic number.

It is an amenable number.

426205 is a deficient number, since it is larger than the sum of its proper divisors (138275).

426205 is a wasteful number, since it uses less digits than its factorization.

426205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 426205 is about 652.8437791693. The cubic root of 426205 is about 75.2557197008.

Adding to 426205 its reverse (502624), we get a palindrome (928829).

The spelling of 426205 in words is "four hundred twenty-six thousand, two hundred five".