988180 has 12 divisors (see below), whose sum is σ = 2075220. Its totient is φ = 395264.

The previous prime is 988157. The next prime is 988199. The reversal of 988180 is 81889.

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 620944 = 606^2 + 788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24685 + ... + 24724.

It is an arithmetic number, because the mean of its divisors is an integer number (172935).

2⁹⁸⁸¹⁸⁰ is an apocalyptic number.

It is an amenable number.

988180 is an abundant number, since it is smaller than the sum of its proper divisors (1087040).

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

988180 is a wasteful number, since it uses less digits than its factorization.

988180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49418 (or 49416 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 988180 is about 994.0724319686. The cubic root of 988180 is about 99.6044373651.

The spelling of 988180 in words is "nine hundred eighty-eight thousand, one hundred eighty".