989298690 has 16 divisors (see below), whose sum is σ = 2374316928. Its totient is φ = 263812976.

The previous prime is 989298683. The next prime is 989298719. The reversal of 989298690 is 96892989.

It is a super-2 number, since 2×989298690² = 1957423796071432200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16488282 + ... + 16488341.

It is an arithmetic number, because the mean of its divisors is an integer number (148394808).

Almost surely, 2^989298690 is an apocalyptic number.

989298690 is an abundant number, since it is smaller than the sum of its proper divisors (1385018238).

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

989298690 is a wasteful number, since it uses less digits than its factorization.

989298690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32976633.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The square root of 989298690 is about 31453.1189232483. The cubic root of 989298690 is about 996.4200962488.

The spelling of 989298690 in words is "nine hundred eighty-nine million, two hundred ninety-eight thousand, six hundred ninety".