980131986 has 48 divisors (see below), whose sum is σ = 2263747200. Its totient is φ = 305589024.

The previous prime is 980131969. The next prime is 980131987. The reversal of 980131986 is 689131089.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (980131987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8880 + ... + 45156.

It is an arithmetic number, because the mean of its divisors is an integer number (47161400).

Almost surely, 2^980131986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980131986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131873600).

980131986 is an abundant number, since it is smaller than the sum of its proper divisors (1283615214).

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

980131986 is a wasteful number, since it uses less digits than its factorization.

980131986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36383 (or 36380 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 980131986 is about 31307.0596830811. The cubic root of 980131986 is about 993.3329782691.

It can be divided in two parts, 98013 and 1986, that added together give a palindrome (99999).

The spelling of 980131986 in words is "nine hundred eighty million, one hundred thirty-one thousand, nine hundred eighty-six".