36858 has 8 divisors (see below), whose sum is σ = 73728. Its totient is φ = 12284.

The previous prime is 36857. The next prime is 36871. The reversal of 36858 is 85863.

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

36858 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (36857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066 + ... + 3077.

It is an arithmetic number, because the mean of its divisors is an integer number (9216).

2³⁶⁸⁵⁸ is an apocalyptic number.

36858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36864).

36858 is a wasteful number, since it uses less digits than its factorization.

36858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148.

The product of its digits is 5760, while the sum is 30.

The square root of 36858 is about 191.9843743642. The cubic root of 36858 is about 33.2795354425.

The spelling of 36858 in words is "thirty-six thousand, eight hundred fifty-eight".