109946 has 4 divisors (see below), whose sum is σ = 164922. Its totient is φ = 54972.

The previous prime is 109943. The next prime is 109961. The reversal of 109946 is 649901.

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

It can be written as a sum of positive squares in only one way, i.e., 96721 + 13225 = 311^2 + 115^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (109943) 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, 27485 + ... + 27488.

2¹⁰⁹⁹⁴⁶ is an apocalyptic number.

109946 is a deficient number, since it is larger than the sum of its proper divisors (54976).

109946 is an equidigital number, since it uses as much as digits as its factorization.

109946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54975.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 109946 is about 331.5810609791. The cubic root of 109946 is about 47.9063567821.

The spelling of 109946 in words is "one hundred nine thousand, nine hundred forty-six".