36865641 has 16 divisors (see below), whose sum is σ = 51192000. Its totient is φ = 23569728.

The previous prime is 36865637. The next prime is 36865649. The reversal of 36865641 is 14656863.

It is not a de Polignac number, because 36865641 - 2² = 36865637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36865641.

It is not an unprimeable number, because it can be changed into a prime (36865649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12310 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (3199500).

Almost surely, 2^36865641 is an apocalyptic number.

It is an amenable number.

36865641 is a deficient number, since it is larger than the sum of its proper divisors (14326359).

36865641 is a wasteful number, since it uses less digits than its factorization.

36865641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its digits is 103680, while the sum is 39.

The square root of 36865641 is about 6071.7082439788. The cubic root of 36865641 is about 332.8183500085.

The spelling of 36865641 in words is "thirty-six million, eight hundred sixty-five thousand, six hundred forty-one".