36604289 has 4 divisors (see below), whose sum is σ = 36636720. Its totient is φ = 36571860.

The previous prime is 36604283. The next prime is 36604313. The reversal of 36604289 is 98240663.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98240663 = 877 ⋅112019.

It is a cyclic number.

It is not a de Polignac number, because 36604289 - 2⁸ = 36604033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36604283) 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, 14459 + ... + 16800.

It is an arithmetic number, because the mean of its divisors is an integer number (9159180).

Almost surely, 2^36604289 is an apocalyptic number.

It is an amenable number.

36604289 is a deficient number, since it is larger than the sum of its proper divisors (32431).

36604289 is a wasteful number, since it uses less digits than its factorization.

36604289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32430.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 36604289 is about 6050.1478494331. The cubic root of 36604289 is about 332.0299998294.

The spelling of 36604289 in words is "thirty-six million, six hundred four thousand, two hundred eighty-nine".