870970928 has 20 divisors (see below), whose sum is σ = 1786771800. Its totient is φ = 409868544.

The previous prime is 870970927. The next prime is 870970937. The reversal of 870970928 is 829079078.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (870970927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600778 + ... + 1601321.

It is an arithmetic number, because the mean of its divisors is an integer number (89338590).

Almost surely, 2^870970928 is an apocalyptic number.

It is an amenable number.

870970928 is an abundant number, since it is smaller than the sum of its proper divisors (915800872).

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

870970928 is a wasteful number, since it uses less digits than its factorization.

870970928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202124 (or 3202118 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 870970928 is about 29512.2165890670. The cubic root of 870970928 is about 954.9952680156.

The spelling of 870970928 in words is "eight hundred seventy million, nine hundred seventy thousand, nine hundred twenty-eight".