989898147 has 18 divisors (see below), whose sum is σ = 1663298988. Its totient is φ = 565655832.

The previous prime is 989898131. The next prime is 989898149. The reversal of 989898147 is 741898989.

It is not a de Polignac number, because 989898147 - 2⁴ = 989898131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (989898149) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1121893 + ... + 1122774.

Almost surely, 2^989898147 is an apocalyptic number.

989898147 is a deficient number, since it is larger than the sum of its proper divisors (673400841).

989898147 is a wasteful number, since it uses less digits than its factorization.

989898147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244687 (or 2244677 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 63.

The square root of 989898147 is about 31462.6468530542. The cubic root of 989898147 is about 996.6213129973.

The spelling of 989898147 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, one hundred forty-seven".