36287999 has 4 divisors (see below), whose sum is σ = 39586920. Its totient is φ = 32989080.

The previous prime is 36287989. The next prime is 36288017. The reversal of 36287999 is 99978263.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36287999 - 2⁴ = 36287983 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 36287999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36287959) 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 3 ways as a sum of consecutive naturals, for example, 1649444 + ... + 1649465.

It is an arithmetic number, because the mean of its divisors is an integer number (9896730).

Almost surely, 2^36287999 is an apocalyptic number.

36287999 is a deficient number, since it is larger than the sum of its proper divisors (3298921).

36287999 is a wasteful number, since it uses less digits than its factorization.

36287999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298920.

The product of its digits is 1469664, while the sum is 53.

The square root of 36287999 is about 6023.9521080434. The cubic root of 36287999 is about 331.0708981246.

The spelling of 36287999 in words is "thirty-six million, two hundred eighty-seven thousand, nine hundred ninety-nine".