109404516 has 72 divisors (see below), whose sum is σ = 280590240. Its totient is φ = 33156864.

The previous prime is 109404511. The next prime is 109404551. The reversal of 109404516 is 615404901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109404511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147675 + ... + 148413.

Almost surely, 2^109404516 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 109404516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140295120).

109404516 is an abundant number, since it is smaller than the sum of its proper divisors (171185724).

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

109404516 is a wasteful number, since it uses less digits than its factorization.

109404516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 109404516 is about 10459.6613711917. The cubic root of 109404516 is about 478.2758105492.

The spelling of 109404516 in words is "one hundred nine million, four hundred four thousand, five hundred sixteen".