109438 has 8 divisors (see below), whose sum is σ = 187632. Its totient is φ = 46896.

The previous prime is 109433. The next prime is 109441. The reversal of 109438 is 834901.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109433) by changing a digit.

109438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (23454).

2¹⁰⁹⁴³⁸ is an apocalyptic number.

109438 is a deficient number, since it is larger than the sum of its proper divisors (78194).

109438 is an equidigital number, since it uses as much as digits as its factorization.

109438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 109438 is about 330.8141472186. The cubic root of 109438 is about 47.8324598766.

The spelling of 109438 in words is "one hundred nine thousand, four hundred thirty-eight".