8243087 has 4 divisors (see below), whose sum is σ = 8356080. Its totient is φ = 8130096.

The previous prime is 8243083. The next prime is 8243099. The reversal of 8243087 is 7803428.

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 8243087 - 2² = 8243083 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 (8243083) 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, 56387 + ... + 56532.

It is an arithmetic number, because the mean of its divisors is an integer number (2089020).

Almost surely, 2^8243087 is an apocalyptic number.

8243087 is a deficient number, since it is larger than the sum of its proper divisors (112993).

8243087 is a wasteful number, since it uses less digits than its factorization.

8243087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112992.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8243087 is about 2871.0776722339. The cubic root of 8243087 is about 202.0055466895.

The spelling of 8243087 in words is "eight million, two hundred forty-three thousand, eighty-seven".