863084 has 6 divisors (see below), whose sum is σ = 1510404. Its totient is φ = 431540.

The previous prime is 863081. The next prime is 863087. The reversal of 863084 is 480368.

It is an interprime number because it is at equal distance from previous prime (863081) and next prime (863087).

It is not an unprimeable number, because it can be changed into a prime (863081) 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, 107882 + ... + 107889.

It is an arithmetic number, because the mean of its divisors is an integer number (251734).

2⁸⁶³⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

863084 is a deficient number, since it is larger than the sum of its proper divisors (647320).

863084 is a wasteful number, since it uses less digits than its factorization.

863084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215775 (or 215773 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 863084 is about 929.0231428764. The cubic root of 863084 is about 95.2103924347.

The spelling of 863084 in words is "eight hundred sixty-three thousand, eighty-four".