36644245 has 24 divisors (see below), whose sum is σ = 49670712. Its totient is φ = 25914240.

The previous prime is 36644239. The next prime is 36644281. The reversal of 36644245 is 54244663.

36644245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2140369 + 34503876 = 1463^2 + 5874^2 .

It is not a de Polignac number, because 36644245 - 2⁷ = 36644117 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36644245.

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 23 ways as a sum of consecutive naturals, for example, 21567 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (2069613).

Almost surely, 2^36644245 is an apocalyptic number.

It is an amenable number.

36644245 is a deficient number, since it is larger than the sum of its proper divisors (13026467).

36644245 is a wasteful number, since it uses less digits than its factorization.

36644245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1690 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 36644245 is about 6053.4490168829. The cubic root of 36644245 is about 332.1507667927.

The spelling of 36644245 in words is "thirty-six million, six hundred forty-four thousand, two hundred forty-five".