989089485 has 16 divisors (see below), whose sum is σ = 1600326720. Its totient is φ = 521586560.

The previous prime is 989089477. The next prime is 989089487. The reversal of 989089485 is 584980989.

It is not a de Polignac number, because 989089485 - 2³ = 989089477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989089487) 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, 369111 + ... + 371780.

It is an arithmetic number, because the mean of its divisors is an integer number (100020420).

Almost surely, 2^989089485 is an apocalyptic number.

It is an amenable number.

989089485 is a deficient number, since it is larger than the sum of its proper divisors (611237235).

989089485 is a wasteful number, since it uses less digits than its factorization.

989089485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740988.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The square root of 989089485 is about 31449.7930835801. The cubic root of 989089485 is about 996.3498543141.

The spelling of 989089485 in words is "nine hundred eighty-nine million, eighty-nine thousand, four hundred eighty-five".