109744939 has 4 divisors (see below), whose sum is σ = 109792656. Its totient is φ = 109697224.

The previous prime is 109744909. The next prime is 109744951. The reversal of 109744939 is 939447901.

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

It is a cyclic number.

It is not a de Polignac number, because 109744939 - 2¹⁵ = 109712171 is a prime.

It is a super-2 number, since 2×109744939² = 24087903272227442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109744909) 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 3 ways as a sum of consecutive naturals, for example, 20224 + ... + 25069.

It is an arithmetic number, because the mean of its divisors is an integer number (27448164).

Almost surely, 2^109744939 is an apocalyptic number.

109744939 is a deficient number, since it is larger than the sum of its proper divisors (47717).

109744939 is an equidigital number, since it uses as much as digits as its factorization.

109744939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47716.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 109744939 is about 10475.9218687426. The cubic root of 109744939 is about 478.7713644523.

The spelling of 109744939 in words is "one hundred nine million, seven hundred forty-four thousand, nine hundred thirty-nine".