989719484 has 12 divisors (see below), whose sum is σ = 1865240664. Its totient is φ = 456793584.

The previous prime is 989719477. The next prime is 989719499. The reversal of 989719484 is 484917989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9516482 + ... + 9516585.

It is an arithmetic number, because the mean of its divisors is an integer number (155436722).

Almost surely, 2^989719484 is an apocalyptic number.

It is an amenable number.

989719484 is a deficient number, since it is larger than the sum of its proper divisors (875521180).

989719484 is a wasteful number, since it uses less digits than its factorization.

989719484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19033084 (or 19033082 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 59.

The square root of 989719484 is about 31459.8074374272. The cubic root of 989719484 is about 996.5613505767.

The spelling of 989719484 in words is "nine hundred eighty-nine million, seven hundred nineteen thousand, four hundred eighty-four".