36089866 has 4 divisors (see below), whose sum is σ = 54134802. Its totient is φ = 18044932.

The previous prime is 36089863. The next prime is 36089897. The reversal of 36089866 is 66898063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66898063 = 307 ⋅217909.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 12809241 = 4825^2 + 3579^2 .

It is not an unprimeable number, because it can be changed into a prime (36089863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9022465 + ... + 9022468.

Almost surely, 2^36089866 is an apocalyptic number.

36089866 is a deficient number, since it is larger than the sum of its proper divisors (18044936).

36089866 is a wasteful number, since it uses less digits than its factorization.

36089866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044935.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 36089866 is about 6007.4841656054. The cubic root of 36089866 is about 330.4672475083.

The spelling of 36089866 in words is "thirty-six million, eighty-nine thousand, eight hundred sixty-six".