863011 has 4 divisors (see below), whose sum is σ = 892800. Its totient is φ = 833224.

The previous prime is 863003. The next prime is 863017. The reversal of 863011 is 110368.

863011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 863011 - 2³ = 863003 is a prime.

It is a super-2 number, since 2×863011² = 1489575972242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863011.

It is not an unprimeable number, because it can be changed into a prime (863017) 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, 14851 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (223200).

2⁸⁶³⁰¹¹ is an apocalyptic number.

863011 is a deficient number, since it is larger than the sum of its proper divisors (29789).

863011 is a wasteful number, since it uses less digits than its factorization.

863011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29788.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 863011 is about 928.9838534657. The cubic root of 863011 is about 95.2077080476.

Adding to 863011 its reverse (110368), we get a palindrome (973379).

The spelling of 863011 in words is "eight hundred sixty-three thousand, eleven".