109388416 has 32 divisors (see below), whose sum is σ = 218484000. Its totient is φ = 54553344.

The previous prime is 109388399. The next prime is 109388441. The reversal of 109388416 is 614883901.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63535 + ... + 65233.

It is an arithmetic number, because the mean of its divisors is an integer number (6827625).

Almost surely, 2^109388416 is an apocalyptic number.

109388416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109388416 is a deficient number, since it is larger than the sum of its proper divisors (109095584).

109388416 is an equidigital number, since it uses as much as digits as its factorization.

109388416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 109388416 is about 10458.8917194892. The cubic root of 109388416 is about 478.2523483297.

The spelling of 109388416 in words is "one hundred nine million, three hundred eighty-eight thousand, four hundred sixteen".