986863 has 4 divisors (see below), whose sum is σ = 989920. Its totient is φ = 983808.

The previous prime is 986857. The next prime is 986903. The reversal of 986863 is 368689.

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 986863 - 2⁹ = 986351 is a prime.

It is a Duffinian number.

986863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986813) 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, 978 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (247480).

2⁹⁸⁶⁸⁶³ is an apocalyptic number.

986863 is a deficient number, since it is larger than the sum of its proper divisors (3057).

986863 is a wasteful number, since it uses less digits than its factorization.

986863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 62208, while the sum is 40.

The square root of 986863 is about 993.4097845300. The cubic root of 986863 is about 99.5601683171.

It can be divided in two parts, 98686 and 3, that added together give a palindrome (98689).

The spelling of 986863 in words is "nine hundred eighty-six thousand, eight hundred sixty-three".