864411 has 4 divisors (see below), whose sum is σ = 1152552. Its totient is φ = 576272.

The previous prime is 864407. The next prime is 864419. The reversal of 864411 is 114468.

864411 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 864411 - 2² = 864407 is a prime.

It is a D-number.

864411 is a lucky number.

It is a plaindrome in base 9.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (864419) 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, 144066 + ... + 144071.

It is an arithmetic number, because the mean of its divisors is an integer number (288138).

2⁸⁶⁴⁴¹¹ is an apocalyptic number.

864411 is a deficient number, since it is larger than the sum of its proper divisors (288141).

864411 is a wasteful number, since it uses less digits than its factorization.

864411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288140.

The product of its digits is 768, while the sum is 24.

The square root of 864411 is about 929.7370596034. The cubic root of 864411 is about 95.2591630813.

Adding to 864411 its reverse (114468), we get a palindrome (978879).

It can be divided in two parts, 864 and 411, that added together give a triangular number (1275 = T₅₀).

The spelling of 864411 in words is "eight hundred sixty-four thousand, four hundred eleven".