109847742 has 16 divisors (see below), whose sum is σ = 224370432. Its totient is φ = 35836760.

The previous prime is 109847723. The next prime is 109847743. The reversal of 109847742 is 247748901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 109847694 and 109847703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109847743) 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, 194484 + ... + 195047.

It is an arithmetic number, because the mean of its divisors is an integer number (14023152).

Almost surely, 2^109847742 is an apocalyptic number.

109847742 is an abundant number, since it is smaller than the sum of its proper divisors (114522690).

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

109847742 is a wasteful number, since it uses less digits than its factorization.

109847742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389583.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 109847742 is about 10480.8273528381. The cubic root of 109847742 is about 478.9208133242.

The spelling of 109847742 in words is "one hundred nine million, eight hundred forty-seven thousand, seven hundred forty-two".