989088919 has 8 divisors (see below), whose sum is σ = 1217340320. Its totient is φ = 782575776.

The previous prime is 989088911. The next prime is 989088929. The reversal of 989088919 is 919880989.

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 989088919 - 2³ = 989088911 is a prime.

It is a super-2 number, since 2×989088919² = 1956593779377177122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989088911) 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 7 ways as a sum of consecutive naturals, for example, 5434464 + ... + 5434645.

It is an arithmetic number, because the mean of its divisors is an integer number (152167540).

Almost surely, 2^989088919 is an apocalyptic number.

989088919 is a deficient number, since it is larger than the sum of its proper divisors (228251401).

989088919 is a wasteful number, since it uses less digits than its factorization.

989088919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10869129.

The product of its (nonzero) digits is 3359232, while the sum is 61.

The square root of 989088919 is about 31449.7840851094. The cubic root of 989088919 is about 996.3496642625.

The spelling of 989088919 in words is "nine hundred eighty-nine million, eighty-eight thousand, nine hundred nineteen".