426536 has 32 divisors (see below), whose sum is σ = 902880. Its totient is φ = 187200.

The previous prime is 426527. The next prime is 426541. The reversal of 426536 is 635624.

426536 = T₁₄₄ + T₁₄₅ + ... + T₁₇₆.

It is an unprimeable number.

426536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (28215).

2⁴²⁶⁵³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451440).

426536 is an abundant number, since it is smaller than the sum of its proper divisors (476344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426536 is a wasteful number, since it uses less digits than its factorization.

426536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 181 counting only the distinct ones).

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

The square root of 426536 is about 653.0972362520. The cubic root of 426536 is about 75.2751963983.

The spelling of 426536 in words is "four hundred twenty-six thousand, five hundred thirty-six".