870036944 has 120 divisors (see below), whose sum is σ = 2042581320. Its totient is φ = 357654528.

The previous prime is 870036929. The next prime is 870036949. The reversal of 870036944 is 449630078.

It can be written as a sum of positive squares in 4 ways, for example, as 93857344 + 776179600 = 9688^2 + 27860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870036949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2581544 + ... + 2581880.

It is an arithmetic number, because the mean of its divisors is an integer number (17021511).

Almost surely, 2^870036944 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 870036944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021290660).

870036944 is an abundant number, since it is smaller than the sum of its proper divisors (1172544376).

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

870036944 is a wasteful number, since it uses less digits than its factorization.

870036944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 870036944 is about 29496.3886603089. The cubic root of 870036944 is about 954.6537834766.

The spelling of 870036944 in words is "eight hundred seventy million, thirty-six thousand, nine hundred forty-four".