870030940 has 12 divisors (see below), whose sum is σ = 1827065016. Its totient is φ = 348012368.

The previous prime is 870030923. The next prime is 870030949. The reversal of 870030940 is 49030078.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870030949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21750754 + ... + 21750793.

It is an arithmetic number, because the mean of its divisors is an integer number (152255418).

Almost surely, 2^870030940 is an apocalyptic number.

It is an amenable number.

870030940 is an abundant number, since it is smaller than the sum of its proper divisors (957034076).

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

870030940 is a wasteful number, since it uses less digits than its factorization.

870030940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43501556 (or 43501554 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 870030940 is about 29496.2868849623. The cubic root of 870030940 is about 954.6515874953.

The spelling of 870030940 in words is "eight hundred seventy million, thirty thousand, nine hundred forty".