36681189 has 8 divisors (see below), whose sum is σ = 51785280. Its totient is φ = 23015616.

The previous prime is 36681187. The next prime is 36681199. The reversal of 36681189 is 98118663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36681189 - 2¹ = 36681187 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 36681189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36681181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359569 + ... + 359670.

It is an arithmetic number, because the mean of its divisors is an integer number (6473160).

Almost surely, 2^36681189 is an apocalyptic number.

It is an amenable number.

36681189 is a deficient number, since it is larger than the sum of its proper divisors (15104091).

36681189 is a wasteful number, since it uses less digits than its factorization.

36681189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719259.

The product of its digits is 62208, while the sum is 42.

The square root of 36681189 is about 6056.4997316932. The cubic root of 36681189 is about 332.2623519038.

The spelling of 36681189 in words is "thirty-six million, six hundred eighty-one thousand, one hundred eighty-nine".