860285243 has 4 divisors (see below), whose sum is σ = 868325400. Its totient is φ = 852245088.

The previous prime is 860285189. The next prime is 860285263. The reversal of 860285243 is 342582068.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860285243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 860285197 and 860285206.

It is not an unprimeable number, because it can be changed into a prime (860285263) 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 3 ways as a sum of consecutive naturals, for example, 4019918 + ... + 4020131.

It is an arithmetic number, because the mean of its divisors is an integer number (217081350).

Almost surely, 2^860285243 is an apocalyptic number.

860285243 is a deficient number, since it is larger than the sum of its proper divisors (8040157).

860285243 is a wasteful number, since it uses less digits than its factorization.

860285243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040156.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 860285243 is about 29330.6195468149. The cubic root of 860285243 is about 951.0736681024.

The spelling of 860285243 in words is "eight hundred sixty million, two hundred eighty-five thousand, two hundred forty-three".