983863 has 2 divisors, whose sum is σ = 983864. Its totient is φ = 983862.

The previous prime is 983861. The next prime is 983881. The reversal of 983863 is 368389.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 983863 - 2¹ = 983861 is a prime.

Together with 983861, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983861) 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 as a sum of consecutive naturals, namely, 491931 + 491932.

It is an arithmetic number, because the mean of its divisors is an integer number (491932).

2⁹⁸³⁸⁶³ is an apocalyptic number.

983863 is a deficient number, since it is larger than the sum of its proper divisors (1).

983863 is an equidigital number, since it uses as much as digits as its factorization.

983863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 983863 is about 991.8986843423. The cubic root of 983863 is about 99.4591804145.

It can be divided in two parts, 98386 and 3, that added together give a palindrome (98389).

The spelling of 983863 in words is "nine hundred eighty-three thousand, eight hundred sixty-three".