2002393 has 4 divisors (see below), whose sum is σ = 2040228. Its totient is φ = 1964560.

The previous prime is 2002387. The next prime is 2002397. The reversal of 2002393 is 3932002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 444889 = 1248^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002393 - 2⁵ = 2002361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002393.

It is not an unprimeable number, because it can be changed into a prime (2002397) 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, 18838 + ... + 18943.

It is an arithmetic number, because the mean of its divisors is an integer number (510057).

2^2002393 is an apocalyptic number.

It is an amenable number.

2002393 is a deficient number, since it is larger than the sum of its proper divisors (37835).

2002393 is an equidigital number, since it uses as much as digits as its factorization.

2002393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37834.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2002393 is about 1415.0593627124. The cubic root of 2002393 is about 126.0423348127.

Adding to 2002393 its reverse (3932002), we get a palindrome (5934395).

The spelling of 2002393 in words is "two million, two thousand, three hundred ninety-three".