4002863 has 8 divisors (see below), whose sum is σ = 4231920. Its totient is φ = 3775680.

The previous prime is 4002857. The next prime is 4002877. The reversal of 4002863 is 3682004.

It is a happy number.

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

It is not a de Polignac number, because 4002863 - 2⁴ = 4002847 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 (4002833) 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, 8453 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (528990).

Almost surely, 2^4002863 is an apocalyptic number.

4002863 is a deficient number, since it is larger than the sum of its proper divisors (229057).

4002863 is a wasteful number, since it uses less digits than its factorization.

4002863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4002863 is about 2000.7156219713. The cubic root of 4002863 is about 158.7779689080. Note that the first 3 decimals are identical.

Adding to 4002863 its reverse (3682004), we get a palindrome (7684867).

The spelling of 4002863 in words is "four million, two thousand, eight hundred sixty-three".