863247 has 32 divisors (see below), whose sum is σ = 1488384. Its totient is φ = 432000.

The previous prime is 863231. The next prime is 863251. The reversal of 863247 is 742368.

863247 is nontrivially palindromic in base 6.

863247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 863247 - 2⁴ = 863231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8497 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (46512).

2⁸⁶³²⁴⁷ is an apocalyptic number.

863247 is a deficient number, since it is larger than the sum of its proper divisors (625137).

863247 is a wasteful number, since it uses less digits than its factorization.

863247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

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

The square root of 863247 is about 929.1108652900. The cubic root of 863247 is about 95.2163857938.

It can be divided in two parts, 86 and 3247, that added together give a palindrome (3333).

The spelling of 863247 in words is "eight hundred sixty-three thousand, two hundred forty-seven".