806303 has 4 divisors (see below), whose sum is σ = 848760. Its totient is φ = 763848.

The previous prime is 806297. The next prime is 806317. The reversal of 806303 is 303608.

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

It is a cyclic number.

It is not a de Polignac number, because 806303 - 2¹⁰ = 805279 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21200 + ... + 21237.

It is an arithmetic number, because the mean of its divisors is an integer number (212190).

2⁸⁰⁶³⁰³ is an apocalyptic number.

806303 is a deficient number, since it is larger than the sum of its proper divisors (42457).

806303 is a wasteful number, since it uses less digits than its factorization.

806303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42456.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 806303 is about 897.9437621589. The cubic root of 806303 is about 93.0749386353.

The spelling of 806303 in words is "eight hundred six thousand, three hundred three".