36656865 has 24 divisors (see below), whose sum is σ = 72616128. Its totient is φ = 16757280.

The previous prime is 36656863. The next prime is 36656881. The reversal of 36656865 is 56865663.

It is not a de Polignac number, because 36656865 - 2¹ = 36656863 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 36656865.

It is not an unprimeable number, because it can be changed into a prime (36656863) 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, 57871 + ... + 58500.

It is an arithmetic number, because the mean of its divisors is an integer number (3025672).

Almost surely, 2^36656865 is an apocalyptic number.

36656865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36656865 is a deficient number, since it is larger than the sum of its proper divisors (35959263).

36656865 is a wasteful number, since it uses less digits than its factorization.

36656865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116389 (or 116386 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 36656865 is about 6054.4913081117. The cubic root of 36656865 is about 332.1888924844.

The spelling of 36656865 in words is "thirty-six million, six hundred fifty-six thousand, eight hundred sixty-five".