36688985 has 8 divisors (see below), whose sum is σ = 44857800. Its totient is φ = 28797184.

The previous prime is 36688963. The next prime is 36688987. The reversal of 36688985 is 58988663.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14523721 + 22165264 = 3811^2 + 4708^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36688985 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36688987) 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, 68960 + ... + 69489.

It is an arithmetic number, because the mean of its divisors is an integer number (5607225).

Almost surely, 2^36688985 is an apocalyptic number.

It is an amenable number.

36688985 is a deficient number, since it is larger than the sum of its proper divisors (8168815).

36688985 is a wasteful number, since it uses less digits than its factorization.

36688985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138507.

The product of its digits is 2488320, while the sum is 53.

The square root of 36688985 is about 6057.1433035714. The cubic root of 36688985 is about 332.2858892525.

It can be divided in two parts, 36688 and 985, that added together give a palindrome (37673).

The spelling of 36688985 in words is "thirty-six million, six hundred eighty-eight thousand, nine hundred eighty-five".