989335480 has 64 divisors (see below), whose sum is σ = 2595960000. Its totient is φ = 339196032.

The previous prime is 989335441. The next prime is 989335483. The reversal of 989335480 is 84533989.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989335483) 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 15 ways as a sum of consecutive naturals, for example, 22335 + ... + 49774.

It is an arithmetic number, because the mean of its divisors is an integer number (40561875).

Almost surely, 2^989335480 is an apocalyptic number.

It is an amenable number.

989335480 is an abundant number, since it is smaller than the sum of its proper divisors (1606624520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989335480 is a wasteful number, since it uses less digits than its factorization.

989335480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72141 (or 72123 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 989335480 is about 31453.7037564736. The cubic root of 989335480 is about 996.4324477059.

The spelling of 989335480 in words is "nine hundred eighty-nine million, three hundred thirty-five thousand, four hundred eighty".