109509844 has 24 divisors (see below), whose sum is σ = 202714400. Its totient is φ = 51619680.

The previous prime is 109509839. The next prime is 109509847. The reversal of 109509844 is 448905901.

It is a junction number, because it is equal to n+sod(n) for n = 109509797 and 109509806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109509847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12622 + ... + 19450.

Almost surely, 2^109509844 is an apocalyptic number.

It is an amenable number.

109509844 is a deficient number, since it is larger than the sum of its proper divisors (93204556).

109509844 is a wasteful number, since it uses less digits than its factorization.

109509844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 109509844 is about 10464.6951221715. The cubic root of 109509844 is about 478.4292462536.

The spelling of 109509844 in words is "one hundred nine million, five hundred nine thousand, eight hundred forty-four".