109403838 has 32 divisors (see below), whose sum is σ = 244012800. Its totient is φ = 36334008.

The previous prime is 109403797. The next prime is 109403839. The reversal of 109403838 is 838304901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109403839) 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, 11703 + ... + 18861.

It is an arithmetic number, because the mean of its divisors is an integer number (7625400).

Almost surely, 2^109403838 is an apocalyptic number.

109403838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109403838 is an abundant number, since it is smaller than the sum of its proper divisors (134608962).

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

109403838 is a wasteful number, since it uses less digits than its factorization.

109403838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453 (or 7447 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 109403838 is about 10459.6289609144. The cubic root of 109403838 is about 478.2748225593.

The spelling of 109403838 in words is "one hundred nine million, four hundred three thousand, eight hundred thirty-eight".