870013984 has 48 divisors (see below), whose sum is σ = 1966422528. Its totient is φ = 371169792.

The previous prime is 870013943. The next prime is 870013993. The reversal of 870013984 is 489310078.

870013984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 41244 + ... + 58660.

It is an arithmetic number, because the mean of its divisors is an integer number (40967136).

Almost surely, 2^870013984 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 870013984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983211264).

870013984 is an abundant number, since it is smaller than the sum of its proper divisors (1096408544).

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

870013984 is a wasteful number, since it uses less digits than its factorization.

870013984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17657 (or 17649 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 870013984 is about 29495.9994575536. Note that the first 3 decimals coincide. The cubic root of 870013984 is about 954.6453857322.

The spelling of 870013984 in words is "eight hundred seventy million, thirteen thousand, nine hundred eighty-four".