2002863 has 8 divisors (see below), whose sum is σ = 2786688. Its totient is φ = 1277144.

The previous prime is 2002853. The next prime is 2002867. The reversal of 2002863 is 3682002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002863 - 2⁶ = 2002799 is a prime.

It is a super-2 number, since 2×2002863² = 8022920393538, which contains 22 as substring.

2002863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14445 + ... + 14582.

It is an arithmetic number, because the mean of its divisors is an integer number (348336).

2^2002863 is an apocalyptic number.

2002863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2002863 is a deficient number, since it is larger than the sum of its proper divisors (783825).

2002863 is a wasteful number, since it uses less digits than its factorization.

2002863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29053.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2002863 is about 1415.2254237400. The cubic root of 2002863 is about 126.0521955581.

Adding to 2002863 its reverse (3682002), we get a palindrome (5684865).

The spelling of 2002863 in words is "two million, two thousand, eight hundred sixty-three".