108984681 has 24 divisors (see below), whose sum is σ = 173147520. Its totient is φ = 65637216.

The previous prime is 108984677. The next prime is 108984713. The reversal of 108984681 is 186489801.

It is not a de Polignac number, because 108984681 - 2² = 108984677 is a prime.

It is a super-2 number, since 2×108984681² = 23755321385343522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108984611) 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, 4411 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (7214480).

Almost surely, 2^108984681 is an apocalyptic number.

It is an amenable number.

108984681 is a deficient number, since it is larger than the sum of its proper divisors (64162839).

108984681 is a wasteful number, since it uses less digits than its factorization.

108984681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 108984681 is about 10439.5728360886. The cubic root of 108984681 is about 477.6632388716.

It can be divided in two parts, 1089 and 84681, that multiplied together give a square (92217609 = 9603²).

The spelling of 108984681 in words is "one hundred eight million, nine hundred eighty-four thousand, six hundred eighty-one".