989692704 has 288 divisors, whose sum is σ = 3779927424. Its totient is φ = 237219840.

The previous prime is 989692699. The next prime is 989692733. The reversal of 989692704 is 407296989.

989692704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286572 + ... + 290004.

It is an arithmetic number, because the mean of its divisors is an integer number (13124748).

Almost surely, 2^989692704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989692704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889963712).

989692704 is an abundant number, since it is smaller than the sum of its proper divisors (2790234720).

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

989692704 is a wasteful number, since it uses less digits than its factorization.

989692704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 989692704 is about 31459.3818121081. The cubic root of 989692704 is about 996.5523621195.

The spelling of 989692704 in words is "nine hundred eighty-nine million, six hundred ninety-two thousand, seven hundred four".