36018393 has 16 divisors (see below), whose sum is σ = 51166080. Its totient is φ = 22459136.

The previous prime is 36018361. The next prime is 36018397. The reversal of 36018393 is 39381063.

It is a cyclic number.

It is not a de Polignac number, because 36018393 - 2⁵ = 36018361 is a prime.

It is a super-3 number, since 3×36018393³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (36018397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6403 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (3197880).

Almost surely, 2^36018393 is an apocalyptic number.

It is an amenable number.

36018393 is a deficient number, since it is larger than the sum of its proper divisors (15147687).

36018393 is a wasteful number, since it uses less digits than its factorization.

36018393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 36018393 is about 6001.5325542731. The cubic root of 36018393 is about 330.2489489707.

The spelling of 36018393 in words is "thirty-six million, eighteen thousand, three hundred ninety-three".