864618241 has 8 divisors (see below), whose sum is σ = 894816000. Its totient is φ = 834564720.

The previous prime is 864618217. The next prime is 864618247. The reversal of 864618241 is 142816468.

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 864618241 - 2¹⁹ = 864093953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864618194 and 864618203.

It is not an unprimeable number, because it can be changed into a prime (864618247) 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 7 ways as a sum of consecutive naturals, for example, 23791 + ... + 47908.

It is an arithmetic number, because the mean of its divisors is an integer number (111852000).

Almost surely, 2^864618241 is an apocalyptic number.

It is an amenable number.

864618241 is a deficient number, since it is larger than the sum of its proper divisors (30197759).

864618241 is a wasteful number, since it uses less digits than its factorization.

864618241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72119.

The product of its digits is 73728, while the sum is 40.

The square root of 864618241 is about 29404.3915257568. The cubic root of 864618241 is about 952.6677521127.

The spelling of 864618241 in words is "eight hundred sixty-four million, six hundred eighteen thousand, two hundred forty-one".