981108 has 18 divisors (see below), whose sum is σ = 2480114. Its totient is φ = 327024.

The previous prime is 981091. The next prime is 981133. The reversal of 981108 is 801189.

It can be written as a sum of positive squares in only one way, i.e., 842724 + 138384 = 918^2 + 372^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981108.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13591 + ... + 13662.

2⁹⁸¹¹⁰⁸ is an apocalyptic number.

It is an amenable number.

981108 is an abundant number, since it is smaller than the sum of its proper divisors (1499006).

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

981108 is a wasteful number, since it uses less digits than its factorization.

981108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27263 (or 27258 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 981108 is about 990.5089600806. The cubic root of 981108 is about 99.3662588728.

It can be divided in two parts, 981 and 108, that added together give a square (1089 = 33²).

The spelling of 981108 in words is "nine hundred eighty-one thousand, one hundred eight".