870940924 has 48 divisors (see below), whose sum is σ = 1847704320. Its totient is φ = 350887680.

The previous prime is 870940919. The next prime is 870940937. The reversal of 870940924 is 429049078.

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, 63444 + ... + 75940.

It is an arithmetic number, because the mean of its divisors is an integer number (38493840).

Almost surely, 2^870940924 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 870940924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923852160).

870940924 is an abundant number, since it is smaller than the sum of its proper divisors (976763396).

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

870940924 is a wasteful number, since it uses less digits than its factorization.

870940924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12658 (or 12656 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 870940924 is about 29511.7082528274. The cubic root of 870940924 is about 954.9843017074.

The spelling of 870940924 in words is "eight hundred seventy million, nine hundred forty thousand, nine hundred twenty-four".