863248 has 20 divisors (see below), whose sum is σ = 1687888. Its totient is φ = 427680.

The previous prime is 863231. The next prime is 863251. The reversal of 863248 is 842368.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2443 + ... + 2773.

2⁸⁶³²⁴⁸ is an apocalyptic number.

It is an amenable number.

863248 is a deficient number, since it is larger than the sum of its proper divisors (824640).

863248 is a wasteful number, since it uses less digits than its factorization.

863248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 496 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 863248 is about 929.1114034388. Note that the first 3 decimals coincide. The cubic root of 863248 is about 95.2164225605.

It can be divided in two parts, 863 and 248, that added together give a palindrome (1111).

The spelling of 863248 in words is "eight hundred sixty-three thousand, two hundred forty-eight".