109100838 has 64 divisors (see below), whose sum is σ = 274710528. Its totient is φ = 28060320.

The previous prime is 109100833. The next prime is 109100839. The reversal of 109100838 is 838001901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109100833) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 48331 + ... + 50537.

It is an arithmetic number, because the mean of its divisors is an integer number (4292352).

Almost surely, 2^109100838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109100838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137355264).

109100838 is an abundant number, since it is smaller than the sum of its proper divisors (165609690).

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

109100838 is a wasteful number, since it uses less digits than its factorization.

109100838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 109100838 is about 10445.1346568630. The cubic root of 109100838 is about 477.8328780913.

The spelling of 109100838 in words is "one hundred nine million, one hundred thousand, eight hundred thirty-eight".