36159858 has 64 divisors (see below), whose sum is σ = 93047040. Its totient is φ = 10322640.

The previous prime is 36159847. The next prime is 36159859. The reversal of 36159858 is 85895163.

36159858 is a `hidden beast` number, since 3 + 6 + 1 + 598 + 58 = 666.

It is not an unprimeable number, because it can be changed into a prime (36159859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30028 + ... + 31208.

It is an arithmetic number, because the mean of its divisors is an integer number (1453860).

Almost surely, 2^36159858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36159858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46523520).

36159858 is an abundant number, since it is smaller than the sum of its proper divisors (56887182).

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

36159858 is an equidigital number, since it uses as much as digits as its factorization.

36159858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1193 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 36159858 is about 6013.3067442132. The cubic root of 36159858 is about 330.6807435167.

The spelling of 36159858 in words is "thirty-six million, one hundred fifty-nine thousand, eight hundred fifty-eight".