989813058 has 24 divisors (see below), whose sum is σ = 2143621008. Its totient is φ = 304557552.

The previous prime is 989813053. The next prime is 989813093. The reversal of 989813058 is 850318989.

It is a super-3 number, since 3×989813058³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 989813058.

It is not an unprimeable number, because it can be changed into a prime (989813051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487060 + ... + 489087.

It is an arithmetic number, because the mean of its divisors is an integer number (89317542).

Almost surely, 2^989813058 is an apocalyptic number.

989813058 is an abundant number, since it is smaller than the sum of its proper divisors (1153807950).

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

989813058 is a wasteful number, since it uses less digits than its factorization.

989813058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976178 (or 976165 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 989813058 is about 31461.2946014623. The cubic root of 989813058 is about 996.5927565439.

The spelling of 989813058 in words is "nine hundred eighty-nine million, eight hundred thirteen thousand, fifty-eight".