109806940 has 24 divisors (see below), whose sum is σ = 230847120. Its totient is φ = 43874688.

The previous prime is 109806923. The next prime is 109806997. The reversal of 109806940 is 49608901.

It is a self number, because there is not a number n which added to its sum of digits gives 109806940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20016 + ... + 24904.

It is an arithmetic number, because the mean of its divisors is an integer number (9618630).

Almost surely, 2^109806940 is an apocalyptic number.

109806940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109806940 is an abundant number, since it is smaller than the sum of its proper divisors (121040180).

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

109806940 is a wasteful number, since it uses less digits than its factorization.

109806940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 109806940 is about 10478.8806654146. The cubic root of 109806940 is about 478.8615089737.

The spelling of 109806940 in words is "one hundred nine million, eight hundred six thousand, nine hundred forty".