109647983 has 4 divisors (see below), whose sum is σ = 112611480. Its totient is φ = 106684488.

The previous prime is 109647953. The next prime is 109647991. The reversal of 109647983 is 389746901.

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 109647983 - 2¹⁰ = 109646959 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 (109647913) 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, 1481693 + ... + 1481766.

It is an arithmetic number, because the mean of its divisors is an integer number (28152870).

Almost surely, 2^109647983 is an apocalyptic number.

109647983 is a deficient number, since it is larger than the sum of its proper divisors (2963497).

109647983 is an equidigital number, since it uses as much as digits as its factorization.

109647983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963496.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 109647983 is about 10471.2932821118. The cubic root of 109647983 is about 478.6303300573.

The spelling of 109647983 in words is "one hundred nine million, six hundred forty-seven thousand, nine hundred eighty-three".