8516091 has 4 divisors (see below), whose sum is σ = 11354792. Its totient is φ = 5677392.

The previous prime is 8516083. The next prime is 8516153. The reversal of 8516091 is 1906158.

It is a happy number.

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

It is not a de Polignac number, because 8516091 - 2³ = 8516083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8516051) 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, 1419346 + ... + 1419351.

It is an arithmetic number, because the mean of its divisors is an integer number (2838698).

Almost surely, 2^8516091 is an apocalyptic number.

8516091 is a deficient number, since it is larger than the sum of its proper divisors (2838701).

8516091 is a wasteful number, since it uses less digits than its factorization.

8516091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838700.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 8516091 is about 2918.2342263773. The cubic root of 8516091 is about 204.2114541385.

The spelling of 8516091 in words is "eight million, five hundred sixteen thousand, ninety-one".