802863 has 12 divisors (see below), whose sum is σ = 1191528. Its totient is φ = 520560.

The previous prime is 802831. The next prime is 802873. The reversal of 802863 is 368208.

It is not a de Polignac number, because 802863 - 2⁵ = 802831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (99294).

2⁸⁰²⁸⁶³ is an apocalyptic number.

802863 is a deficient number, since it is larger than the sum of its proper divisors (388665).

802863 is a wasteful number, since it uses less digits than its factorization.

802863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 802863 is about 896.0262272947. The cubic root of 802863 is about 92.9423854036.

The spelling of 802863 in words is "eight hundred two thousand, eight hundred sixty-three".