988343389 has 16 divisors (see below), whose sum is σ = 1085438016. Its totient is φ = 892483200.

The previous prime is 988343357. The next prime is 988343393. The reversal of 988343389 is 983343889.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 988343389 - 2⁵ = 988343357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988343339) 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, 2116134 + ... + 2116600.

It is an arithmetic number, because the mean of its divisors is an integer number (67839876).

Almost surely, 2^988343389 is an apocalyptic number.

It is an amenable number.

988343389 is a deficient number, since it is larger than the sum of its proper divisors (97094627).

988343389 is a wasteful number, since it uses less digits than its factorization.

988343389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356.

The product of its digits is 4478976, while the sum is 55.

The square root of 988343389 is about 31437.9291461763. The cubic root of 988343389 is about 996.0992670667.

The spelling of 988343389 in words is "nine hundred eighty-eight million, three hundred forty-three thousand, three hundred eighty-nine".