992863 has 2 divisors, whose sum is σ = 992864. Its totient is φ = 992862.

The previous prime is 992861. The next prime is 992867. The reversal of 992863 is 368299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 992863 - 2¹ = 992861 is a prime.

Together with 992861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496431 + 496432.

It is an arithmetic number, because the mean of its divisors is an integer number (496432).

2⁹⁹²⁸⁶³ is an apocalyptic number.

992863 is a deficient number, since it is larger than the sum of its proper divisors (1).

992863 is an equidigital number, since it uses as much as digits as its factorization.

992863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 992863 is about 996.4251100810. The cubic root of 992863 is about 99.7615317811.

The spelling of 992863 in words is "nine hundred ninety-two thousand, eight hundred sixty-three".