36365643 has 6 divisors (see below), whose sum is σ = 52528164. Its totient is φ = 24243756.

The previous prime is 36365629. The next prime is 36365689. The reversal of 36365643 is 34656363.

It is a happy number.

36365643 is a `hidden beast` number, since 3 + 6 + 3 + 6 + 5 + 643 = 666.

36365643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36365643 - 2⁵ = 36365611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36365598 and 36365607.

It is not an unprimeable number, because it can be changed into a prime (36365603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2020305 + ... + 2020322.

It is an arithmetic number, because the mean of its divisors is an integer number (8754694).

Almost surely, 2^36365643 is an apocalyptic number.

36365643 is a deficient number, since it is larger than the sum of its proper divisors (16162521).

36365643 is a wasteful number, since it uses less digits than its factorization.

36365643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040633 (or 4040630 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 36365643 is about 6030.3932707577. The cubic root of 36365643 is about 331.3068563613.

The spelling of 36365643 in words is "thirty-six million, three hundred sixty-five thousand, six hundred forty-three".