108685438 has 8 divisors (see below), whose sum is σ = 163074600. Its totient is φ = 54327240.

The previous prime is 108685427. The next prime is 108685439. The reversal of 108685438 is 834586801.

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 = 108685394 and 108685403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108685439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713 + ... + 15811.

It is an arithmetic number, because the mean of its divisors is an integer number (20384325).

Almost surely, 2^108685438 is an apocalyptic number.

108685438 is a deficient number, since it is larger than the sum of its proper divisors (54389162).

108685438 is a wasteful number, since it uses less digits than its factorization.

108685438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 108685438 is about 10425.2308367729. The cubic root of 108685438 is about 477.2256593210.

The spelling of 108685438 in words is "one hundred eight million, six hundred eighty-five thousand, four hundred thirty-eight".