863472 has 20 divisors (see below), whose sum is σ = 2230760. Its totient is φ = 287808.

The previous prime is 863393. The next prime is 863479. The reversal of 863472 is 274368.

863472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8⁵ + 6³ + 4⁴ + 3⁸ + 7⁷ + 2⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863479) by changing a digit.

863472 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, 8947 + ... + 9042.

It is an arithmetic number, because the mean of its divisors is an integer number (111538).

2⁸⁶³⁴⁷² is an apocalyptic number.

It is an amenable number.

863472 is an abundant number, since it is smaller than the sum of its proper divisors (1367288).

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

863472 is a wasteful number, since it uses less digits than its factorization.

863472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000 (or 17994 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 863472 is about 929.2319409060. The cubic root of 863472 is about 95.2246575962.

The spelling of 863472 in words is "eight hundred sixty-three thousand, four hundred seventy-two".