36389999 has 4 divisors (see below), whose sum is σ = 36426936. Its totient is φ = 36353064.

The previous prime is 36389993. The next prime is 36390017. The reversal of 36389999 is 99998363.

36389999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36389999 is a prime.

It is a Duffinian number.

36389999 is a modest number, since divided by 9999 gives 3638 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36389993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16949 + ... + 18974.

It is an arithmetic number, because the mean of its divisors is an integer number (9106734).

Almost surely, 2^36389999 is an apocalyptic number.

36389999 is a deficient number, since it is larger than the sum of its proper divisors (36937).

36389999 is a wasteful number, since it uses less digits than its factorization.

36389999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36936.

The product of its digits is 2834352, while the sum is 56.

The square root of 36389999 is about 6032.4123698567. The cubic root of 36389999 is about 331.3808044463.

The spelling of 36389999 in words is "thirty-six million, three hundred eighty-nine thousand, nine hundred ninety-nine".