982989180 has 144 divisors (see below), whose sum is σ = 3126090240. Its totient is φ = 249549696.

The previous prime is 982989131. The next prime is 982989193. The reversal of 982989180 is 81989289.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1171201 + ... + 1172039.

It is an arithmetic number, because the mean of its divisors is an integer number (21708960).

Almost surely, 2^982989180 is an apocalyptic number.

982989180 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 982989180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563045120).

982989180 is an abundant number, since it is smaller than the sum of its proper divisors (2143101060).

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

982989180 is a wasteful number, since it uses less digits than its factorization.

982989180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The square root of 982989180 is about 31352.6582605048. The cubic root of 982989180 is about 994.2972673265.

The spelling of 982989180 in words is "nine hundred eighty-two million, nine hundred eighty-nine thousand, one hundred eighty".