36691689 has 8 divisors (see below), whose sum is σ = 49371520. Its totient is φ = 24236496.

The previous prime is 36691667. The next prime is 36691703. The reversal of 36691689 is 98619663.

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

It is not a de Polignac number, because 36691689 - 2¹¹ = 36689641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36691639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55777 + ... + 56430.

It is an arithmetic number, because the mean of its divisors is an integer number (6171440).

Almost surely, 2^36691689 is an apocalyptic number.

It is an amenable number.

36691689 is a deficient number, since it is larger than the sum of its proper divisors (12679831).

36691689 is a wasteful number, since it uses less digits than its factorization.

36691689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112319.

The product of its digits is 419904, while the sum is 48.

The square root of 36691689 is about 6057.3665069897. The cubic root of 36691689 is about 332.2940522745.

The spelling of 36691689 in words is "thirty-six million, six hundred ninety-one thousand, six hundred eighty-nine".