860545000 has 160 divisors (see below), whose sum is σ = 2406729600. Its totient is φ = 281952000.

The previous prime is 860544991. The next prime is 860545003. The reversal of 860545000 is 545068.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 860545000.

It is not an unprimeable number, because it can be changed into a prime (860545003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 804466 + ... + 805534.

It is an arithmetic number, because the mean of its divisors is an integer number (15042060).

Almost surely, 2^860545000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203364800).

860545000 is an abundant number, since it is smaller than the sum of its proper divisors (1546184600).

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

860545000 is a wasteful number, since it uses less digits than its factorization.

860545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 860545000 is about 29335.0472984108. The cubic root of 860545000 is about 951.1693817757.

The spelling of 860545000 in words is "eight hundred sixty million, five hundred forty-five thousand".