36008891 has 4 divisors (see below), whose sum is σ = 36033384. Its totient is φ = 35984400.

The previous prime is 36008879. The next prime is 36008897. The reversal of 36008891 is 19880063.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36008891 - 2⁶ = 36008827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36008897) 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, 9890 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (9008346).

Almost surely, 2^36008891 is an apocalyptic number.

36008891 is a deficient number, since it is larger than the sum of its proper divisors (24493).

36008891 is a wasteful number, since it uses less digits than its factorization.

36008891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 36008891 is about 6000.7408709259. The cubic root of 36008891 is about 330.2199054623.

The spelling of 36008891 in words is "thirty-six million, eight thousand, eight hundred ninety-one".