36505689 has 8 divisors (see below), whose sum is σ = 53099232. Its totient is φ = 22124640.

The previous prime is 36505661. The next prime is 36505697. The reversal of 36505689 is 98650563.

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

It is not a de Polignac number, because 36505689 - 2⁷ = 36505561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36505689.

It is not an unprimeable number, because it can be changed into a prime (36505619) 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, 553084 + ... + 553149.

It is an arithmetic number, because the mean of its divisors is an integer number (6637404).

Almost surely, 2^36505689 is an apocalyptic number.

It is an amenable number.

36505689 is a deficient number, since it is larger than the sum of its proper divisors (16593543).

36505689 is a wasteful number, since it uses less digits than its factorization.

36505689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106247.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 36505689 is about 6041.9937934427. The cubic root of 36505689 is about 331.7316049486.

It can be divided in two parts, 3650 and 5689, that added together give a palindrome (9339).

The spelling of 36505689 in words is "thirty-six million, five hundred five thousand, six hundred eighty-nine".