42586 has 8 divisors (see below), whose sum is σ = 64800. Its totient is φ = 20988.

The previous prime is 42577. The next prime is 42589. The reversal of 42586 is 68524.

42586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 42586.

It is not an unprimeable number, because it can be changed into a prime (42589) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115 + ... + 313.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

2⁴²⁵⁸⁶ is an apocalyptic number.

42586 is a deficient number, since it is larger than the sum of its proper divisors (22214).

42586 is a wasteful number, since it uses less digits than its factorization.

42586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its digits is 1920, while the sum is 25.

The square root of 42586 is about 206.3637565078. The cubic root of 42586 is about 34.9211831892.

The spelling of 42586 in words is "forty-two thousand, five hundred eighty-six".