109908447 has 16 divisors (see below), whose sum is σ = 160042368. Its totient is φ = 66538080.

The previous prime is 109908443. The next prime is 109908499. The reversal of 109908447 is 744809901.

It is not a de Polignac number, because 109908447 - 2² = 109908443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109908399 and 109908408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109908443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55893 + ... + 57825.

It is an arithmetic number, because the mean of its divisors is an integer number (10002648).

Almost surely, 2^109908447 is an apocalyptic number.

109908447 is a deficient number, since it is larger than the sum of its proper divisors (50133921).

109908447 is a wasteful number, since it uses less digits than its factorization.

109908447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 109908447 is about 10483.7229551338. The cubic root of 109908447 is about 479.0090188518.

The spelling of 109908447 in words is "one hundred nine million, nine hundred eight thousand, four hundred forty-seven".