988361188 has 6 divisors (see below), whose sum is σ = 1729632086. Its totient is φ = 494180592.

The previous prime is 988361177. The next prime is 988361197. The reversal of 988361188 is 881163889.

It can be written as a sum of positive squares in only one way, i.e., 782209024 + 206152164 = 27968^2 + 14358^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123545145 + ... + 123545152.

Almost surely, 2^988361188 is an apocalyptic number.

It is an amenable number.

988361188 is a deficient number, since it is larger than the sum of its proper divisors (741270898).

988361188 is a wasteful number, since it uses less digits than its factorization.

988361188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247090301 (or 247090299 counting only the distinct ones).

The product of its digits is 663552, while the sum is 52.

The square root of 988361188 is about 31438.2122265246. The cubic root of 988361188 is about 996.1052465892.

The spelling of 988361188 in words is "nine hundred eighty-eight million, three hundred sixty-one thousand, one hundred eighty-eight".