870241536 has 144 divisors (see below), whose sum is σ = 2595062400. Its totient is φ = 287649792.

The previous prime is 870241513. The next prime is 870241571. The reversal of 870241536 is 635142078.

870241536 is a `hidden beast` number, since 87 + 0 + 2 + 41 + 536 = 666.

870241536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 870241536.

It is a congruent number.

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, 946485 + ... + 947403.

Almost surely, 2^870241536 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 870241536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297531200).

870241536 is an abundant number, since it is smaller than the sum of its proper divisors (1724820864).

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

870241536 is a wasteful number, since it uses less digits than its factorization.

870241536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 870241536 is about 29499.8565420241. The cubic root of 870241536 is about 954.7286075863.

The spelling of 870241536 in words is "eight hundred seventy million, two hundred forty-one thousand, five hundred thirty-six".