864501043 has 8 divisors (see below), whose sum is σ = 997235712. Its totient is φ = 734075016.

The previous prime is 864501037. The next prime is 864501047. The reversal of 864501043 is 340105468.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864501043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864500996 and 864501014.

It is not an unprimeable number, because it can be changed into a prime (864501047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576355 + ... + 577852.

It is an arithmetic number, because the mean of its divisors is an integer number (124654464).

Almost surely, 2^864501043 is an apocalyptic number.

864501043 is a deficient number, since it is larger than the sum of its proper divisors (132734669).

864501043 is a wasteful number, since it uses less digits than its factorization.

864501043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154321.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 864501043 is about 29402.3985926319. The cubic root of 864501043 is about 952.6247058313.

The spelling of 864501043 in words is "eight hundred sixty-four million, five hundred one thousand, forty-three".