1002347 has 2 divisors, whose sum is σ = 1002348.
Its totient is φ = 1002346.
The previous prime is 1002343. The next prime is 1002349. The reversal of 1002347 is 7432001.
Adding to 1002347 its reverse (7432001), we get a palindrome (8434348).
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1002347 - 22 = 1002343 is a prime.
Together with 1002349, it forms a pair of twin primes.
It is a Chen prime.
It is the 32-nd primeval number, because it sets a new record (547) in the number of distinct primes that is it possible to write using its digits.
It is not a weakly prime, because it can be changed into another prime (1002341) 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 as a sum of consecutive naturals, namely, 501173 + 501174.
It is an arithmetic number, because the mean of its divisors is an integer number (501174).
21002347 is an apocalyptic number.
1002347 is a deficient number, since it is larger than the sum of its proper divisors (1).
1002347 is an equidigital number, since it uses as much as digits as its factorization.
1002347 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 1002347 is about 1001.1728122557.
The cubic root of 1002347 is about 100.0781722085.
The spelling of 1002347 in words is "one million, two thousand, three hundred forty-seven".