108983965 has 4 divisors (see below), whose sum is σ = 130780764. Its totient is φ = 87187168.

The previous prime is 108983951. The next prime is 108983969. The reversal of 108983965 is 569389801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569389801 = 1627 ⋅349963.

It can be written as a sum of positive squares in 2 ways, for example, as 16112196 + 92871769 = 4014^2 + 9637^2 .

It is a cyclic number.

It is not a de Polignac number, because 108983965 - 2⁵ = 108983933 is a prime.

It is a super-4 number, since 4×108983965⁴ (a number of 33 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108983969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10898392 + ... + 10898401.

It is an arithmetic number, because the mean of its divisors is an integer number (32695191).

Almost surely, 2^108983965 is an apocalyptic number.

It is an amenable number.

108983965 is a deficient number, since it is larger than the sum of its proper divisors (21796799).

108983965 is an equidigital number, since it uses as much as digits as its factorization.

108983965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796798.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 108983965 is about 10439.5385434415. The cubic root of 108983965 is about 477.6621928297.

The spelling of 108983965 in words is "one hundred eight million, nine hundred eighty-three thousand, nine hundred sixty-five".