989606149 has 16 divisors (see below), whose sum is σ = 1173560320. Its totient is φ = 816583680.

The previous prime is 989606141. The next prime is 989606161. The reversal of 989606149 is 941606989.

989606149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 989606149 - 2³ = 989606141 is a prime.

It is a super-2 number, since 2×989606149² = 1958640660277220402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 989606096 and 989606105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989606141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30067 + ... + 53695.

It is an arithmetic number, because the mean of its divisors is an integer number (73347520).

Almost surely, 2^989606149 is an apocalyptic number.

It is an amenable number.

989606149 is a deficient number, since it is larger than the sum of its proper divisors (183954171).

989606149 is a wasteful number, since it uses less digits than its factorization.

989606149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23860.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 989606149 is about 31458.0061192695. The cubic root of 989606149 is about 996.5233096321.

The spelling of 989606149 in words is "nine hundred eighty-nine million, six hundred six thousand, one hundred forty-nine".