36640086 has 16 divisors (see below), whose sum is σ = 83748864. Its totient is φ = 10468584.

The previous prime is 36640067. The next prime is 36640091. The reversal of 36640086 is 68004663.

36640086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 436150 + ... + 436233.

It is an arithmetic number, because the mean of its divisors is an integer number (5234304).

Almost surely, 2^36640086 is an apocalyptic number.

36640086 is an abundant number, since it is smaller than the sum of its proper divisors (47108778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36640086 is a wasteful number, since it uses less digits than its factorization.

36640086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872395.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 36640086 is about 6053.1054839644. The cubic root of 36640086 is about 332.1382003146.

The spelling of 36640086 in words is "thirty-six million, six hundred forty thousand, eighty-six".