863892 has 48 divisors (see below), whose sum is σ = 2363200. Its totient is φ = 272160.

The previous prime is 863887. The next prime is 863897. The reversal of 863892 is 298368.

863892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (863887) and next prime (863897).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842 + ... + 2262.

2⁸⁶³⁸⁹² 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 863892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181600).

863892 is an abundant number, since it is smaller than the sum of its proper divisors (1499308).

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

863892 is a wasteful number, since it uses less digits than its factorization.

863892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 445 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 863892 is about 929.4579065240. The cubic root of 863892 is about 95.2400944501.

The spelling of 863892 in words is "eight hundred sixty-three thousand, eight hundred ninety-two".