109985846 has 4 divisors (see below), whose sum is σ = 164978772. Its totient is φ = 54992922.

The previous prime is 109985819. The next prime is 109985849. The reversal of 109985846 is 648589901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109985794 and 109985803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109985849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27496460 + ... + 27496463.

It is an arithmetic number, because the mean of its divisors is an integer number (41244693).

Almost surely, 2^109985846 is an apocalyptic number.

109985846 is a deficient number, since it is larger than the sum of its proper divisors (54992926).

109985846 is an equidigital number, since it uses as much as digits as its factorization.

109985846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54992925.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 109985846 is about 10487.4136945197. The cubic root of 109985846 is about 479.1214339894.

The spelling of 109985846 in words is "one hundred nine million, nine hundred eighty-five thousand, eight hundred forty-six".