105946 has 4 divisors (see below), whose sum is σ = 158922. Its totient is φ = 52972.

The previous prime is 105943. The next prime is 105953. The reversal of 105946 is 649501.

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., 70225 + 35721 = 265^2 + 189^2 .

It is a super-2 number, since 2×105946² = 22449109832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105946.

It is not an unprimeable number, because it can be changed into a prime (105943) 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, 26485 + ... + 26488.

2¹⁰⁵⁹⁴⁶ is an apocalyptic number.

105946 is a deficient number, since it is larger than the sum of its proper divisors (52976).

105946 is an equidigital number, since it uses as much as digits as its factorization.

105946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52975.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 105946 is about 325.4934715167. The cubic root of 105946 is about 47.3181970161.

The spelling of 105946 in words is "one hundred five thousand, nine hundred forty-six".