109684389 has 8 divisors (see below), whose sum is σ = 149812992. Its totient is φ = 71339360.

The previous prime is 109684373. The next prime is 109684403. The reversal of 109684389 is 983486901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109684389 - 2⁴ = 109684373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109684319) 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 7 ways as a sum of consecutive naturals, for example, 445749 + ... + 445994.

It is an arithmetic number, because the mean of its divisors is an integer number (18726624).

Almost surely, 2^109684389 is an apocalyptic number.

It is an amenable number.

109684389 is a deficient number, since it is larger than the sum of its proper divisors (40128603).

109684389 is an equidigital number, since it uses as much as digits as its factorization.

109684389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891787.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 109684389 is about 10473.0315095487. The cubic root of 109684389 is about 478.6832967943.

The spelling of 109684389 in words is "one hundred nine million, six hundred eighty-four thousand, three hundred eighty-nine".