989583469 has 16 divisors (see below), whose sum is σ = 1162512000. Its totient is φ = 841983072.

The previous prime is 989583461. The next prime is 989583659. The reversal of 989583469 is 964385989.

It is not a de Polignac number, because 989583469 - 2³ = 989583461 is a prime.

It is a super-2 number, since 2×989583469² = 1958550884236147922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989583461) 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, 36462 + ... + 57520.

It is an arithmetic number, because the mean of its divisors is an integer number (72657000).

Almost surely, 2^989583469 is an apocalyptic number.

It is an amenable number.

989583469 is a deficient number, since it is larger than the sum of its proper divisors (172928531).

989583469 is a wasteful number, since it uses less digits than its factorization.

989583469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21217 (or 21203 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 61.

The square root of 989583469 is about 31457.6456366334. The cubic root of 989583469 is about 996.5156967310.

The spelling of 989583469 in words is "nine hundred eighty-nine million, five hundred eighty-three thousand, four hundred sixty-nine".