36244809 has 12 divisors (see below), whose sum is σ = 54159300. Its totient is φ = 23329824.

The previous prime is 36244807. The next prime is 36244841. The reversal of 36244809 is 90844263.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5774409 + 30470400 = 2403^2 + 5520^2 .

It is not a de Polignac number, because 36244809 - 2¹ = 36244807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36244807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69174 + ... + 69695.

It is an arithmetic number, because the mean of its divisors is an integer number (4513275).

Almost surely, 2^36244809 is an apocalyptic number.

It is an amenable number.

36244809 is a deficient number, since it is larger than the sum of its proper divisors (17914491).

36244809 is a wasteful number, since it uses less digits than its factorization.

36244809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138904 (or 138901 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 36244809 is about 6020.3661848761. The cubic root of 36244809 is about 330.9394990477.

The spelling of 36244809 in words is "thirty-six million, two hundred forty-four thousand, eight hundred nine".