36639806 has 8 divisors (see below), whose sum is σ = 62811120. Its totient is φ = 15702768.

The previous prime is 36639803. The next prime is 36639829. The reversal of 36639806 is 60893663.

36639806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36639803) 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, 1308551 + ... + 1308578.

It is an arithmetic number, because the mean of its divisors is an integer number (7851390).

Almost surely, 2^36639806 is an apocalyptic number.

36639806 is a deficient number, since it is larger than the sum of its proper divisors (26171314).

36639806 is a wasteful number, since it uses less digits than its factorization.

36639806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617138.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 36639806 is about 6053.0823552963. The cubic root of 36639806 is about 332.1373542564.

The spelling of 36639806 in words is "thirty-six million, six hundred thirty-nine thousand, eight hundred six".