863273 has 4 divisors (see below), whose sum is σ = 865620. Its totient is φ = 860928.

The previous prime is 863251. The next prime is 863279. The reversal of 863273 is 372368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 267289 = 772^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 863273 - 2⁸ = 863017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (216405).

2⁸⁶³²⁷³ is an apocalyptic number.

It is an amenable number.

863273 is a deficient number, since it is larger than the sum of its proper divisors (2347).

863273 is a wasteful number, since it uses less digits than its factorization.

863273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346.

The product of its digits is 6048, while the sum is 29.

The square root of 863273 is about 929.1248570564. The cubic root of 863273 is about 95.2173417200.

The spelling of 863273 in words is "eight hundred sixty-three thousand, two hundred seventy-three".