8116291 has 4 divisors (see below), whose sum is σ = 8175672. Its totient is φ = 8056912.

The previous prime is 8116279. The next prime is 8116301. The reversal of 8116291 is 1926118.

It is a happy number.

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 8116291 - 2¹⁹ = 7592003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29485 + ... + 29758.

It is an arithmetic number, because the mean of its divisors is an integer number (2043918).

Almost surely, 2^8116291 is an apocalyptic number.

8116291 is a deficient number, since it is larger than the sum of its proper divisors (59381).

8116291 is a wasteful number, since it uses less digits than its factorization.

8116291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59380.

The product of its digits is 864, while the sum is 28.

The square root of 8116291 is about 2848.9104935045. The cubic root of 8116291 is about 200.9644335311.

The spelling of 8116291 in words is "eight million, one hundred sixteen thousand, two hundred ninety-one".