8342287 has 4 divisors (see below), whose sum is σ = 8459856. Its totient is φ = 8224720.

The previous prime is 8342267. The next prime is 8342293. The reversal of 8342287 is 7822438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8342287 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 (8342267) 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, 58678 + ... + 58819.

It is an arithmetic number, because the mean of its divisors is an integer number (2114964).

Almost surely, 2^8342287 is an apocalyptic number.

8342287 is a deficient number, since it is larger than the sum of its proper divisors (117569).

8342287 is a wasteful number, since it uses less digits than its factorization.

8342287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117568.

The product of its digits is 21504, while the sum is 34.

The square root of 8342287 is about 2888.3017501639. The cubic root of 8342287 is about 202.8126512084.

The spelling of 8342287 in words is "eight million, three hundred forty-two thousand, two hundred eighty-seven".