989750670 has 32 divisors (see below), whose sum is σ = 2389986432. Its totient is φ = 262312992.

The previous prime is 989750647. The next prime is 989750677. The reversal of 989750670 is 76057989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989750677) 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 15 ways as a sum of consecutive naturals, for example, 96312 + ... + 106091.

It is an arithmetic number, because the mean of its divisors is an integer number (74687076).

Almost surely, 2^989750670 is an apocalyptic number.

989750670 is an abundant number, since it is smaller than the sum of its proper divisors (1400235762).

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

989750670 is a wasteful number, since it uses less digits than its factorization.

989750670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202576.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 989750670 is about 31460.3030818204. The cubic root of 989750670 is about 996.5718176624.

The spelling of 989750670 in words is "nine hundred eighty-nine million, seven hundred fifty thousand, six hundred seventy".