989953308 has 18 divisors (see below), whose sum is σ = 2502382064. Its totient is φ = 329984424.

The previous prime is 989953301. The next prime is 989953351. The reversal of 989953308 is 803359989.

989953308 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989953301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13749316 + ... + 13749387.

Almost surely, 2^989953308 is an apocalyptic number.

It is an amenable number.

989953308 is an abundant number, since it is smaller than the sum of its proper divisors (1512428756).

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

989953308 is a wasteful number, since it uses less digits than its factorization.

989953308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27498713 (or 27498708 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 989953308 is about 31463.5234517687. The cubic root of 989953308 is about 996.6398245338.

The spelling of 989953308 in words is "nine hundred eighty-nine million, nine hundred fifty-three thousand, three hundred eight".