863216 has 10 divisors (see below), whose sum is σ = 1672512. Its totient is φ = 431600.

The previous prime is 863197. The next prime is 863231. The reversal of 863216 is 612368.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 26960 + ... + 26991.

2⁸⁶³²¹⁶ is an apocalyptic number.

It is an amenable number.

863216 is a deficient number, since it is larger than the sum of its proper divisors (809296).

863216 is a wasteful number, since it uses less digits than its factorization.

863216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53959 (or 53953 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 863216 is about 929.0941825240. The cubic root of 863216 is about 95.2152460106.

The spelling of 863216 in words is "eight hundred sixty-three thousand, two hundred sixteen".