989296209 has 12 divisors (see below), whose sum is σ = 1558891152. Its totient is φ = 599573400.

The previous prime is 989296207. The next prime is 989296229. The reversal of 989296209 is 902692989.

989296209 is a `hidden beast` number, since 9 + 8 + 9 + 2 + 9 + 620 + 9 = 666.

It is not a de Polignac number, because 989296209 - 2¹ = 989296207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989296201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4996347 + ... + 4996544.

It is an arithmetic number, because the mean of its divisors is an integer number (129907596).

Almost surely, 2^989296209 is an apocalyptic number.

989296209 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

989296209 is a deficient number, since it is larger than the sum of its proper divisors (569594943).

989296209 is a wasteful number, since it uses less digits than its factorization.

989296209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9992908 (or 9992905 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 989296209 is about 31453.0794835736. The cubic root of 989296209 is about 996.4192632950.

The spelling of 989296209 in words is "nine hundred eighty-nine million, two hundred ninety-six thousand, two hundred nine".