863485 has 8 divisors (see below), whose sum is σ = 1184256. Its totient is φ = 592080.

The previous prime is 863479. The next prime is 863491. The reversal of 863485 is 584368.

It is an interprime number because it is at equal distance from previous prime (863479) and next prime (863491).

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

It is not a de Polignac number, because 863485 - 2⁹ = 862973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863485.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 12301 + ... + 12370.

It is an arithmetic number, because the mean of its divisors is an integer number (148032).

2⁸⁶³⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

863485 is a deficient number, since it is larger than the sum of its proper divisors (320771).

863485 is a wasteful number, since it uses less digits than its factorization.

863485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24683.

The product of its digits is 23040, while the sum is 34.

The square root of 863485 is about 929.2389359040. The cubic root of 863485 is about 95.2251354786.

The spelling of 863485 in words is "eight hundred sixty-three thousand, four hundred eighty-five".