8356091 has 4 divisors (see below), whose sum is σ = 8470632. Its totient is φ = 8241552.

The previous prime is 8356063. The next prime is 8356093. The reversal of 8356091 is 1906538.

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 8356091 - 2¹⁸ = 8093947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8356093) 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, 57161 + ... + 57306.

It is an arithmetic number, because the mean of its divisors is an integer number (2117658).

Almost surely, 2^8356091 is an apocalyptic number.

8356091 is a deficient number, since it is larger than the sum of its proper divisors (114541).

8356091 is a wasteful number, since it uses less digits than its factorization.

8356091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114540.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 8356091 is about 2890.6904019628. The cubic root of 8356091 is about 202.9244544055.

The spelling of 8356091 in words is "eight million, three hundred fifty-six thousand, ninety-one".