5818091 has 4 divisors (see below), whose sum is σ = 5823312. Its totient is φ = 5812872.

The previous prime is 5818081. The next prime is 5818117. The reversal of 5818091 is 1908185.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1908185 = 5 ⋅381637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5818091 is a prime.

It is a super-3 number, since 3×5818091³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5818061) 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, 191 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (1455828).

Almost surely, 2^5818091 is an apocalyptic number.

5818091 is a deficient number, since it is larger than the sum of its proper divisors (5221).

5818091 is a wasteful number, since it uses less digits than its factorization.

5818091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 5818091 is about 2412.0719309341. The cubic root of 5818091 is about 179.8567893819.

The spelling of 5818091 in words is "five million, eight hundred eighteen thousand, ninety-one".