36912289 has 4 divisors (see below), whose sum is σ = 38103040. Its totient is φ = 35721540.

The previous prime is 36912257. The next prime is 36912299. The reversal of 36912289 is 98221963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36912289 - 2⁵ = 36912257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36912299) 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, 595329 + ... + 595390.

It is an arithmetic number, because the mean of its divisors is an integer number (9525760).

Almost surely, 2^36912289 is an apocalyptic number.

It is an amenable number.

36912289 is a deficient number, since it is larger than the sum of its proper divisors (1190751).

36912289 is a wasteful number, since it uses less digits than its factorization.

36912289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190750.

The product of its digits is 46656, while the sum is 40.

The square root of 36912289 is about 6075.5484526090. The cubic root of 36912289 is about 332.9586682582.

The spelling of 36912289 in words is "thirty-six million, nine hundred twelve thousand, two hundred eighty-nine".