36388687 has 8 divisors (see below), whose sum is σ = 39257136. Its totient is φ = 33601152.

The previous prime is 36388679. The next prime is 36388727. The reversal of 36388687 is 78688363.

It is a happy number.

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

It is not a de Polignac number, because 36388687 - 2³ = 36388679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36388687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36388487) 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, 19293 + ... + 21094.

It is an arithmetic number, because the mean of its divisors is an integer number (4907142).

Almost surely, 2^36388687 is an apocalyptic number.

36388687 is a deficient number, since it is larger than the sum of its proper divisors (2868449).

36388687 is a wasteful number, since it uses less digits than its factorization.

36388687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40457.

The product of its digits is 1161216, while the sum is 49.

The square root of 36388687 is about 6032.3036229951. The cubic root of 36388687 is about 331.3768218792.

The spelling of 36388687 in words is "thirty-six million, three hundred eighty-eight thousand, six hundred eighty-seven".