989659230 has 128 divisors (see below), whose sum is σ = 2804336640. Its totient is φ = 218818560.

The previous prime is 989659163. The next prime is 989659241. The reversal of 989659230 is 32956989.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1179151 + ... + 1179989.

It is an arithmetic number, because the mean of its divisors is an integer number (21908880).

Almost surely, 2^989659230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989659230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402168320).

989659230 is an abundant number, since it is smaller than the sum of its proper divisors (1814677410).

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

989659230 is a wasteful number, since it uses less digits than its factorization.

989659230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 989659230 is about 31458.8497882551. The cubic root of 989659230 is about 996.5411266556.

The spelling of 989659230 in words is "nine hundred eighty-nine million, six hundred fifty-nine thousand, two hundred thirty".