108843939 has 16 divisors (see below), whose sum is σ = 161418240. Its totient is φ = 72487080.

The previous prime is 108843937. The next prime is 108843941. The reversal of 108843939 is 939348801.

It is an interprime number because it is at equal distance from previous prime (108843937) and next prime (108843941).

It is not a de Polignac number, because 108843939 - 2¹ = 108843937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108843894 and 108843903.

It is not an unprimeable number, because it can be changed into a prime (108843937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38794 + ... + 41504.

It is an arithmetic number, because the mean of its divisors is an integer number (10088640).

Almost surely, 2^108843939 is an apocalyptic number.

108843939 is a deficient number, since it is larger than the sum of its proper divisors (52574301).

108843939 is a wasteful number, since it uses less digits than its factorization.

108843939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 108843939 is about 10432.8298653817. The cubic root of 108843939 is about 477.4575333888.

The spelling of 108843939 in words is "one hundred eight million, eight hundred forty-three thousand, nine hundred thirty-nine".