963863 has 2 divisors, whose sum is σ = 963864. Its totient is φ = 963862.

The previous prime is 963847. The next prime is 963871. The reversal of 963863 is 368369.

It is a strong prime.

It is an emirp because it is prime and its reverse (368369) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 963863 - 2⁴ = 963847 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 963863.

It is not a weakly prime, because it can be changed into another prime (963163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481931 + 481932.

It is an arithmetic number, because the mean of its divisors is an integer number (481932).

2⁹⁶³⁸⁶³ is an apocalyptic number.

963863 is a deficient number, since it is larger than the sum of its proper divisors (1).

963863 is an equidigital number, since it uses as much as digits as its factorization.

963863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 963863 is about 981.7652468895. The cubic root of 963863 is about 98.7806250151.

The spelling of 963863 in words is "nine hundred sixty-three thousand, eight hundred sixty-three".