988489173 has 8 divisors (see below), whose sum is σ = 1506269248. Its totient is φ = 564850944.

The previous prime is 988489169. The next prime is 988489217. The reversal of 988489173 is 371984889.

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

It is not a de Polignac number, because 988489173 - 2² = 988489169 is a prime.

It is a super-2 number, since 2×988489173² = 1954221690276447858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988489163) 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, 23535436 + ... + 23535477.

It is an arithmetic number, because the mean of its divisors is an integer number (188283656).

Almost surely, 2^988489173 is an apocalyptic number.

It is an amenable number.

988489173 is a deficient number, since it is larger than the sum of its proper divisors (517780075).

988489173 is a wasteful number, since it uses less digits than its factorization.

988489173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47070923.

The product of its digits is 3483648, while the sum is 57.

The square root of 988489173 is about 31440.2476612383. The cubic root of 988489173 is about 996.1482406650.

The spelling of 988489173 in words is "nine hundred eighty-eight million, four hundred eighty-nine thousand, one hundred seventy-three".