426086 has 4 divisors (see below), whose sum is σ = 639132. Its totient is φ = 213042.

The previous prime is 426077. The next prime is 426089. The reversal of 426086 is 680624.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426089) by changing a digit.

426086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 106520 + ... + 106523.

It is an arithmetic number, because the mean of its divisors is an integer number (159783).

2⁴²⁶⁰⁸⁶ is an apocalyptic number.

426086 is a deficient number, since it is larger than the sum of its proper divisors (213046).

426086 is a wasteful number, since it uses less digits than its factorization.

426086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213045.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 426086 is about 652.7526330855. The cubic root of 426086 is about 75.2487150401.

The spelling of 426086 in words is "four hundred twenty-six thousand, eighty-six".