860906560 has 112 divisors (see below), whose sum is σ = 2180514816. Its totient is φ = 323028992.

The previous prime is 860906551. The next prime is 860906573. The reversal of 860906560 is 65609068.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388977 + ... + 391183.

Almost surely, 2^860906560 is an apocalyptic number.

860906560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860906560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090257408).

860906560 is an abundant number, since it is smaller than the sum of its proper divisors (1319608256).

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

860906560 is a wasteful number, since it uses less digits than its factorization.

860906560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 860906560 is about 29341.2092457008. The cubic root of 860906560 is about 951.3025751391.

The spelling of 860906560 in words is "eight hundred sixty million, nine hundred six thousand, five hundred sixty".