981632888 has 16 divisors (see below), whose sum is σ = 1847898360. Its totient is φ = 488860000.

The previous prime is 981632881. The next prime is 981632909. The reversal of 981632888 is 888236189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981632881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242423 + ... + 246438.

Almost surely, 2^981632888 is an apocalyptic number.

It is an amenable number.

981632888 is a deficient number, since it is larger than the sum of its proper divisors (866265472).

981632888 is a wasteful number, since it uses less digits than its factorization.

981632888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489118 (or 489114 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 53.

The square root of 981632888 is about 31331.0211771018. The cubic root of 981632888 is about 993.8397586844.

The spelling of 981632888 in words is "nine hundred eighty-one million, six hundred thirty-two thousand, eight hundred eighty-eight".