863141 has 4 divisors (see below), whose sum is σ = 913932. Its totient is φ = 812352.

The previous prime is 863131. The next prime is 863143. The reversal of 863141 is 141368.

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 664225 + 198916 = 815^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 863141 - 2¹⁰ = 862117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25370 + ... + 25403.

It is an arithmetic number, because the mean of its divisors is an integer number (228483).

2⁸⁶³¹⁴¹ is an apocalyptic number.

It is an amenable number.

863141 is a deficient number, since it is larger than the sum of its proper divisors (50791).

863141 is a wasteful number, since it uses less digits than its factorization.

863141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50790.

The product of its digits is 576, while the sum is 23.

The square root of 863141 is about 929.0538197543. The cubic root of 863141 is about 95.2124883577.

The spelling of 863141 in words is "eight hundred sixty-three thousand, one hundred forty-one".