426365 has 8 divisors (see below), whose sum is σ = 515160. Its totient is φ = 338752.

The previous prime is 426353. The next prime is 426383. The reversal of 426365 is 563624.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 407044 = 139^2 + 638^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 426365 - 2⁶ = 426301 is a prime.

It is a super-2 number, since 2×426365² = 363574226450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (64395).

2⁴²⁶³⁶⁵ is an apocalyptic number.

It is an amenable number.

426365 is a deficient number, since it is larger than the sum of its proper divisors (88795).

426365 is a wasteful number, since it uses less digits than its factorization.

426365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its digits is 4320, while the sum is 26.

The square root of 426365 is about 652.9663084723. The cubic root of 426365 is about 75.2651356772.

Adding to 426365 its reverse (563624), we get a palindrome (989989).

The spelling of 426365 in words is "four hundred twenty-six thousand, three hundred sixty-five".