302863 has 6 divisors (see below), whose sum is σ = 333032. Its totient is φ = 275220.

The previous prime is 302857. The next prime is 302873. The reversal of 302863 is 368203.

It is not a de Polignac number, because 302863 - 2⁵ = 302831 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 (302833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1131 + ... + 1372.

2³⁰²⁸⁶³ is an apocalyptic number.

302863 is a deficient number, since it is larger than the sum of its proper divisors (30169).

302863 is a wasteful number, since it uses less digits than its factorization.

302863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 302863 is about 550.3299010594. The cubic root of 302863 is about 67.1555752062.

The spelling of 302863 in words is "three hundred two thousand, eight hundred sixty-three".