109384893 has 12 divisors (see below), whose sum is σ = 158370940. Its totient is φ = 72752256.

The previous prime is 109384889. The next prime is 109384903. The reversal of 109384893 is 398483901.

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 96294969 = 3618^2 + 9813^2 .

It is not a de Polignac number, because 109384893 - 2² = 109384889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109384823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10138 + ... + 17931.

Almost surely, 2^109384893 is an apocalyptic number.

It is an amenable number.

109384893 is a deficient number, since it is larger than the sum of its proper divisors (48986047).

109384893 is a wasteful number, since it uses less digits than its factorization.

109384893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28508 (or 28505 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 109384893 is about 10458.7232968465. The cubic root of 109384893 is about 478.2472140227.

The spelling of 109384893 in words is "one hundred nine million, three hundred eighty-four thousand, eight hundred ninety-three".