863212 has 12 divisors (see below), whose sum is σ = 1726480. Its totient is φ = 369936.

The previous prime is 863197. The next prime is 863231. The reversal of 863212 is 212368.

863212 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15387 + ... + 15442.

2⁸⁶³²¹² is an apocalyptic number.

It is an amenable number.

863212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

863212 is a wasteful number, since it uses less digits than its factorization.

863212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30840 (or 30838 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 863212 is about 929.0920298872. The cubic root of 863212 is about 95.2150989398.

The spelling of 863212 in words is "eight hundred sixty-three thousand, two hundred twelve".