36818865 has 24 divisors (see below), whose sum is σ = 67179840. Its totient is φ = 18602784.

The previous prime is 36818863. The next prime is 36818897. The reversal of 36818865 is 56881863.

It is not a de Polignac number, because 36818865 - 2¹ = 36818863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36818865.

It is not an unprimeable number, because it can be changed into a prime (36818863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20677 + ... + 22386.

It is an arithmetic number, because the mean of its divisors is an integer number (2799160).

Almost surely, 2^36818865 is an apocalyptic number.

It is an amenable number.

36818865 is a deficient number, since it is larger than the sum of its proper divisors (30360975).

36818865 is a wasteful number, since it uses less digits than its factorization.

36818865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43093 (or 43090 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 36818865 is about 6067.8550575965. The cubic root of 36818865 is about 332.6775278258.

The spelling of 36818865 in words is "thirty-six million, eight hundred eighteen thousand, eight hundred sixty-five".