864241 has 8 divisors (see below), whose sum is σ = 993344. Its totient is φ = 736560.

The previous prime is 864223. The next prime is 864251. The reversal of 864241 is 142468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864241 - 2⁹ = 863729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (124168).

2⁸⁶⁴²⁴¹ is an apocalyptic number.

It is an amenable number.

864241 is a deficient number, since it is larger than the sum of its proper divisors (129103).

864241 is a wasteful number, since it uses less digits than its factorization.

864241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 1536, while the sum is 25.

The square root of 864241 is about 929.6456314102. The cubic root of 864241 is about 95.2529179350.

The spelling of 864241 in words is "eight hundred sixty-four thousand, two hundred forty-one".