989340850 has 24 divisors (see below), whose sum is σ = 1841096448. Its totient is φ = 395538000.

The previous prime is 989340799. The next prime is 989340871. The reversal of 989340850 is 58043989.

989340850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 989340850.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134775 + ... + 141925.

It is an arithmetic number, because the mean of its divisors is an integer number (76712352).

Almost surely, 2^989340850 is an apocalyptic number.

989340850 is a deficient number, since it is larger than the sum of its proper divisors (851755598).

989340850 is a wasteful number, since it uses less digits than its factorization.

989340850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9930 (or 9925 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 989340850 is about 31453.7891199137. The cubic root of 989340850 is about 996.4342505431.

The spelling of 989340850 in words is "nine hundred eighty-nine million, three hundred forty thousand, eight hundred fifty".