860345844 has 24 divisors (see below), whose sum is σ = 2007999840. Its totient is φ = 286706784.

The previous prime is 860345839. The next prime is 860345881. The reversal of 860345844 is 448543068.

It is a junction number, because it is equal to n+sod(n) for n = 860345796 and 860345805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57142 + ... + 70610.

It is an arithmetic number, because the mean of its divisors is an integer number (83666660).

Almost surely, 2^860345844 is an apocalyptic number.

It is an amenable number.

860345844 is an abundant number, since it is smaller than the sum of its proper divisors (1147653996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

860345844 is a wasteful number, since it uses less digits than its factorization.

860345844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18799 (or 18797 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 860345844 is about 29331.6525957881. The cubic root of 860345844 is about 951.0959997118.

The spelling of 860345844 in words is "eight hundred sixty million, three hundred forty-five thousand, eight hundred forty-four".