36018369 has 6 divisors (see below), whose sum is σ = 52026546. Its totient is φ = 24012240.

The previous prime is 36018361. The next prime is 36018397. The reversal of 36018369 is 96381063.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18378369 + 17640000 = 4287^2 + 4200^2 .

It is not a de Polignac number, because 36018369 - 2³ = 36018361 is a prime.

It is a super-2 number, since 2×36018369² = 2594645810840322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36018361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2001012 + ... + 2001029.

It is an arithmetic number, because the mean of its divisors is an integer number (8671091).

Almost surely, 2^36018369 is an apocalyptic number.

It is an amenable number.

36018369 is a deficient number, since it is larger than the sum of its proper divisors (16008177).

36018369 is a wasteful number, since it uses less digits than its factorization.

36018369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002047 (or 4002044 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 36018369 is about 6001.5305547835. The cubic root of 36018369 is about 330.2488756195.

The spelling of 36018369 in words is "thirty-six million, eighteen thousand, three hundred sixty-nine".