109918438 has 8 divisors (see below), whose sum is σ = 188431632. Its totient is φ = 47107896.

The previous prime is 109918429. The next prime is 109918451. The reversal of 109918438 is 834819901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 109918394 and 109918403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925645 + ... + 3925672.

It is an arithmetic number, because the mean of its divisors is an integer number (23553954).

Almost surely, 2^109918438 is an apocalyptic number.

109918438 is a deficient number, since it is larger than the sum of its proper divisors (78513194).

109918438 is an equidigital number, since it uses as much as digits as its factorization.

109918438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851326.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 109918438 is about 10484.1994448789. The cubic root of 109918438 is about 479.0235328533.

The spelling of 109918438 in words is "one hundred nine million, nine hundred eighteen thousand, four hundred thirty-eight".