863476 has 12 divisors (see below), whose sum is σ = 1539972. Its totient is φ = 423488.

The previous prime is 863393. The next prime is 863479. The reversal of 863476 is 674368.

It can be written as a sum of positive squares in 2 ways, for example, as 336400 + 527076 = 580^2 + 726^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863479) by changing a digit.

863476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1825 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (128331).

2⁸⁶³⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

863476 is a deficient number, since it is larger than the sum of its proper divisors (676496).

863476 is a wasteful number, since it uses less digits than its factorization.

863476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130 (or 4128 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 863476 is about 929.2340932187. The cubic root of 863476 is about 95.2248046374.

The spelling of 863476 in words is "eight hundred sixty-three thousand, four hundred seventy-six".