803963 has 2 divisors, whose sum is σ = 803964. Its totient is φ = 803962.

The previous prime is 803939. The next prime is 803977. The reversal of 803963 is 369308.

803963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803963 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 803963.

It is not a weakly prime, because it can be changed into another prime (883963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401981 + 401982.

It is an arithmetic number, because the mean of its divisors is an integer number (401982).

2⁸⁰³⁹⁶³ is an apocalyptic number.

803963 is a deficient number, since it is larger than the sum of its proper divisors (1).

803963 is an equidigital number, since it uses as much as digits as its factorization.

803963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 803963 is about 896.6398385082. The cubic root of 803963 is about 92.9848127202.

The spelling of 803963 in words is "eight hundred three thousand, nine hundred sixty-three".