860535648 has 324 divisors, whose sum is σ = 3038316372. Its totient is φ = 230307840.

The previous prime is 860535629. The next prime is 860535661. The reversal of 860535648 is 846535068.

860535648 is a `hidden beast` number, since 8 + 605 + 35 + 6 + 4 + 8 = 666.

860535648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 4078263 + ... + 4078473.

Almost surely, 2^860535648 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 860535648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519158186).

860535648 is an abundant number, since it is smaller than the sum of its proper divisors (2177780724).

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

860535648 is a wasteful number, since it uses less digits than its factorization.

860535648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 860535648 is about 29334.8878982007. The cubic root of 860535648 is about 951.1659361421.

It can be divided in two parts, 8605 and 35648, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 860535648 in words is "eight hundred sixty million, five hundred thirty-five thousand, six hundred forty-eight".