8243091 has 24 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 5280000.

The previous prime is 8243083. The next prime is 8243099. The reversal of 8243091 is 1903428.

It is an interprime number because it is at equal distance from previous prime (8243083) and next prime (8243099).

It is not a de Polignac number, because 8243091 - 2³ = 8243083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8243099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32716 + ... + 32966.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 2^8243091 is an apocalyptic number.

8243091 is a deficient number, since it is larger than the sum of its proper divisors (4140189).

8243091 is a wasteful number, since it uses less digits than its factorization.

8243091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8243091 is about 2871.0783688364. The cubic root of 8243091 is about 202.0055793642.

The spelling of 8243091 in words is "eight million, two hundred forty-three thousand, ninety-one".