36989999 has 4 divisors (see below), whose sum is σ = 37211664. Its totient is φ = 36768336.

The previous prime is 36989989. The next prime is 36990013. The reversal of 36989999 is 99998963.

36989999 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 not a de Polignac number, because 36989999 - 2¹⁶ = 36924463 is a prime.

It is a Duffinian number.

36989999 is a modest number, since divided by 9999 gives 3698 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36989929) 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, 110582 + ... + 110915.

It is an arithmetic number, because the mean of its divisors is an integer number (9302916).

Almost surely, 2^36989999 is an apocalyptic number.

36989999 is a deficient number, since it is larger than the sum of its proper divisors (221665).

36989999 is a wasteful number, since it uses less digits than its factorization.

36989999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221664.

The product of its digits is 8503056, while the sum is 62.

The square root of 36989999 is about 6081.9403976034. The cubic root of 36989999 is about 333.1921594405.

The spelling of 36989999 in words is "thirty-six million, nine hundred eighty-nine thousand, nine hundred ninety-nine".