863846 has 8 divisors (see below), whose sum is σ = 1337664. Its totient is φ = 417960.

The previous prime is 863843. The next prime is 863851. The reversal of 863846 is 648368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863843) 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 in 3 ways as a sum of consecutive naturals, for example, 6905 + ... + 7028.

It is an arithmetic number, because the mean of its divisors is an integer number (167208).

2⁸⁶³⁸⁴⁶ is an apocalyptic number.

863846 is a deficient number, since it is larger than the sum of its proper divisors (473818).

863846 is a wasteful number, since it uses less digits than its factorization.

863846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13966.

The product of its digits is 27648, while the sum is 35.

The square root of 863846 is about 929.4331605877. The cubic root of 863846 is about 95.2384039911.

The spelling of 863846 in words is "eight hundred sixty-three thousand, eight hundred forty-six".