36856812 has 24 divisors (see below), whose sum is σ = 86100336. Its totient is φ = 12271168.

The previous prime is 36856811. The next prime is 36856837. The reversal of 36856812 is 21865863.

It is a happy number.

36856812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (36856811) 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 7 ways as a sum of consecutive naturals, for example, 15358 + ... + 17594.

It is an arithmetic number, because the mean of its divisors is an integer number (3587514).

Almost surely, 2^36856812 is an apocalyptic number.

It is an amenable number.

36856812 is an abundant number, since it is smaller than the sum of its proper divisors (49243524).

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

36856812 is a wasteful number, since it uses less digits than its factorization.

36856812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3615 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 36856812 is about 6070.9811398159. The cubic root of 36856812 is about 332.7917788549.

The spelling of 36856812 in words is "thirty-six million, eight hundred fifty-six thousand, eight hundred twelve".