36444289 has 12 divisors (see below), whose sum is σ = 42494868. Its totient is φ = 31164000.

The previous prime is 36444269. The next prime is 36444293. The reversal of 36444289 is 98244463.

It can be written as a sum of positive squares in 2 ways, for example, as 28005264 + 8439025 = 5292^2 + 2905^2 .

It is not a de Polignac number, because 36444289 - 2⁵ = 36444257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36444269) 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, 33819 + ... + 34879.

It is an arithmetic number, because the mean of its divisors is an integer number (3541239).

Almost surely, 2^36444289 is an apocalyptic number.

It is an amenable number.

36444289 is a deficient number, since it is larger than the sum of its proper divisors (6050579).

36444289 is a wasteful number, since it uses less digits than its factorization.

36444289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1769 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 36444289 is about 6036.9105509358. The cubic root of 36444289 is about 331.5455175091.

The spelling of 36444289 in words is "thirty-six million, four hundred forty-four thousand, two hundred eighty-nine".