109847844 has 72 divisors (see below), whose sum is σ = 284662560. Its totient is φ = 35707392.

The previous prime is 109847831. The next prime is 109847867. The reversal of 109847844 is 448748901.

It is a self number, because there is not a number n which added to its sum of digits gives 109847844.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289647 + ... + 290025.

Almost surely, 2^109847844 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 109847844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142331280).

109847844 is an abundant number, since it is smaller than the sum of its proper divisors (174814716).

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

109847844 is a wasteful number, since it uses less digits than its factorization.

109847844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 109847844 is about 10480.8322188651. The cubic root of 109847844 is about 478.9209615594.

The spelling of 109847844 in words is "one hundred nine million, eight hundred forty-seven thousand, eight hundred forty-four".