109338940 has 24 divisors (see below), whose sum is σ = 230785632. Its totient is φ = 43512000.

The previous prime is 109338893. The next prime is 109338979. The reversal of 109338940 is 49833901.

It is a self number, because there is not a number n which added to its sum of digits gives 109338940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9936 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (9616068).

Almost surely, 2^109338940 is an apocalyptic number.

109338940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109338940 is an abundant number, since it is smaller than the sum of its proper divisors (121446692).

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

109338940 is a wasteful number, since it uses less digits than its factorization.

109338940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27957 (or 27955 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 109338940 is about 10456.5261918096. The cubic root of 109338940 is about 478.1802334984.

The spelling of 109338940 in words is "one hundred nine million, three hundred thirty-eight thousand, nine hundred forty".