989783682 has 64 divisors (see below), whose sum is σ = 2129328000. Its totient is φ = 305786880.

The previous prime is 989783677. The next prime is 989783687. The reversal of 989783682 is 286387989.

It is an interprime number because it is at equal distance from previous prime (989783677) and next prime (989783687).

It is not an unprimeable number, because it can be changed into a prime (989783687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2204194 + ... + 2204642.

It is an arithmetic number, because the mean of its divisors is an integer number (33270750).

Almost surely, 2^989783682 is an apocalyptic number.

989783682 is an abundant number, since it is smaller than the sum of its proper divisors (1139544318).

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

989783682 is a wasteful number, since it uses less digits than its factorization.

989783682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851.

The product of its digits is 10450944, while the sum is 60.

The square root of 989783682 is about 31460.8277386340. The cubic root of 989783682 is about 996.5828973764.

The spelling of 989783682 in words is "nine hundred eighty-nine million, seven hundred eighty-three thousand, six hundred eighty-two".