988343889 has 16 divisors (see below), whose sum is σ = 1457518272. Its totient is φ = 591772608.

The previous prime is 988343887. The next prime is 988343921.

988343889 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 988343889 - 2¹ = 988343887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988343887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341019 + ... + 343904.

It is an arithmetic number, because the mean of its divisors is an integer number (91094892).

Almost surely, 2^988343889 is an apocalyptic number.

It is an amenable number.

988343889 is a deficient number, since it is larger than the sum of its proper divisors (469174383).

988343889 is a wasteful number, since it uses less digits than its factorization.

988343889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684976.

The product of its digits is 11943936, while the sum is 60.

The square root of 988343889 is about 31437.9370983530. The cubic root of 988343889 is about 996.0994350413.

The spelling of 988343889 in words is "nine hundred eighty-eight million, three hundred forty-three thousand, eight hundred eighty-nine".