109969439 has 8 divisors (see below), whose sum is σ = 114305520. Its totient is φ = 105705216.

The previous prime is 109969429. The next prime is 109969441. The reversal of 109969439 is 934969901.

It is a happy number.

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 109969439 - 2⁴ = 109969423 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 (109969429) 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 in 7 ways as a sum of consecutive naturals, for example, 14834 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (14288190).

Almost surely, 2^109969439 is an apocalyptic number.

109969439 is a deficient number, since it is larger than the sum of its proper divisors (4336081).

109969439 is an equidigital number, since it uses as much as digits as its factorization.

109969439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35929.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 109969439 is about 10486.6314419836. The cubic root of 109969439 is about 479.0976086926.

The spelling of 109969439 in words is "one hundred nine million, nine hundred sixty-nine thousand, four hundred thirty-nine".