863496 has 48 divisors (see below), whose sum is σ = 2386800. Its totient is φ = 281952.

The previous prime is 863491. The next prime is 863497. The reversal of 863496 is 694368.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 863496.

It is not an unprimeable number, because it can be changed into a prime (863491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4735 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (49725).

2⁸⁶³⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193400).

863496 is an abundant number, since it is smaller than the sum of its proper divisors (1523304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863496 is a wasteful number, since it uses less digits than its factorization.

863496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 251 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 863496 is about 929.2448547073. The cubic root of 863496 is about 95.2255398369.

It can be divided in two parts, 8 and 63496, that added together give a square (63504 = 252²).

The spelling of 863496 in words is "eight hundred sixty-three thousand, four hundred ninety-six".