988404889 has 8 divisors (see below), whose sum is σ = 1002516480. Its totient is φ = 974308896.

The previous prime is 988404881. The next prime is 988404929.

988404889 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 988404889 - 2³ = 988404881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988404881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193632 + ... + 198670.

It is an arithmetic number, because the mean of its divisors is an integer number (125314560).

Almost surely, 2^988404889 is an apocalyptic number.

It is an amenable number.

988404889 is a deficient number, since it is larger than the sum of its proper divisors (14111591).

988404889 is a wasteful number, since it uses less digits than its factorization.

988404889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799.

The product of its (nonzero) digits is 5308416, while the sum is 58.

The square root of 988404889 is about 31438.9072488215. The cubic root of 988404889 is about 996.1199275089.

The spelling of 988404889 in words is "nine hundred eighty-eight million, four hundred four thousand, eight hundred eighty-nine".