36009289 has 4 divisors (see below), whose sum is σ = 36047124. Its totient is φ = 35971456.

The previous prime is 36009287. The next prime is 36009319. The reversal of 36009289 is 98290063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98290063 = 23 ⋅4273481.

It can be written as a sum of positive squares in 2 ways, for example, as 28676025 + 7333264 = 5355^2 + 2708^2 .

It is a cyclic number.

It is not a de Polignac number, because 36009289 - 2¹ = 36009287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36009287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17452 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (9011781).

Almost surely, 2^36009289 is an apocalyptic number.

It is an amenable number.

36009289 is a deficient number, since it is larger than the sum of its proper divisors (37835).

36009289 is an equidigital number, since it uses as much as digits as its factorization.

36009289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37834.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 36009289 is about 6000.7740334060. The cubic root of 36009289 is about 330.2211220789.

The spelling of 36009289 in words is "thirty-six million, nine thousand, two hundred eighty-nine".