36866 has 4 divisors (see below), whose sum is σ = 55302. Its totient is φ = 18432.

The previous prime is 36857. The next prime is 36871. The reversal of 36866 is 66863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30625 + 6241 = 175^2 + 79^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36866.

It is an unprimeable number.

36866 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9215 + ... + 9218.

2³⁶⁸⁶⁶ is an apocalyptic number.

36866 is a deficient number, since it is larger than the sum of its proper divisors (18436).

36866 is a wasteful number, since it uses less digits than its factorization.

36866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18435.

The product of its digits is 5184, while the sum is 29.

The square root of 36866 is about 192.0052082627. The cubic root of 36866 is about 33.2819430341.

It can be divided in two parts, 368 and 66, that added together give a palindrome (434).

The spelling of 36866 in words is "thirty-six thousand, eight hundred sixty-six".