863134 has 4 divisors (see below), whose sum is σ = 1294704. Its totient is φ = 431566.

The previous prime is 863131. The next prime is 863143. The reversal of 863134 is 431368.

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

It is a junction number, because it is equal to n+sod(n) for n = 863099 and 863108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215782 + ... + 215785.

It is an arithmetic number, because the mean of its divisors is an integer number (323676).

2⁸⁶³¹³⁴ is an apocalyptic number.

863134 is a deficient number, since it is larger than the sum of its proper divisors (431570).

863134 is a wasteful number, since it uses less digits than its factorization.

863134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431569.

The product of its digits is 1728, while the sum is 25.

The square root of 863134 is about 929.0500524730. The cubic root of 863134 is about 95.2122309686.

The spelling of 863134 in words is "eight hundred sixty-three thousand, one hundred thirty-four".