109404085 has 8 divisors (see below), whose sum is σ = 150039936. Its totient is φ = 75019920.

The previous prime is 109404073. The next prime is 109404089. The reversal of 109404085 is 580404901.

It is a happy number.

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

It is not a de Polignac number, because 109404085 - 2¹¹ = 109402037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109404089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562881 + ... + 1562950.

It is an arithmetic number, because the mean of its divisors is an integer number (18754992).

Almost surely, 2^109404085 is an apocalyptic number.

It is an amenable number.

109404085 is a deficient number, since it is larger than the sum of its proper divisors (40635851).

109404085 is an equidigital number, since it uses as much as digits as its factorization.

109404085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125843.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 109404085 is about 10459.6407682100. The cubic root of 109404085 is about 478.2751824912.

Adding to 109404085 its reverse (580404901), we get a palindrome (689808986).

The spelling of 109404085 in words is "one hundred nine million, four hundred four thousand, eighty-five".