863552 has 28 divisors (see below), whose sum is σ = 1743456. Its totient is φ = 424320.

The previous prime is 863539. The next prime is 863561. The reversal of 863552 is 255368.

It is a congruent number.

It is an unprimeable number.

863552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6527 + ... + 6657.

2⁸⁶³⁵⁵² 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 863552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871728).

863552 is an abundant number, since it is smaller than the sum of its proper divisors (879904).

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

863552 is a wasteful number, since it uses less digits than its factorization.

863552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 863552 is about 929.2749862124. The cubic root of 863552 is about 95.2275983352.

The spelling of 863552 in words is "eight hundred sixty-three thousand, five hundred fifty-two".