109408104 has 128 divisors (see below), whose sum is σ = 334656000. Its totient is φ = 32908032.

The previous prime is 109408081. The next prime is 109408111. The reversal of 109408104 is 401804901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131562 + ... + 132390.

It is an arithmetic number, because the mean of its divisors is an integer number (2614500).

Almost surely, 2^109408104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109408104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167328000).

109408104 is an abundant number, since it is smaller than the sum of its proper divisors (225247896).

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

109408104 is a wasteful number, since it uses less digits than its factorization.

109408104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 109408104 is about 10459.8328858543. The cubic root of 109408104 is about 478.2810389587.

It can be divided in two parts, 10940 and 8104, that added together give a square (19044 = 138²).

The spelling of 109408104 in words is "one hundred nine million, four hundred eight thousand, one hundred four".