105946647 has 4 divisors (see below), whose sum is σ = 141262200. Its totient is φ = 70631096.

The previous prime is 105946639. The next prime is 105946667. The reversal of 105946647 is 746649501.

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 105946647 - 2³ = 105946639 is a prime.

It is a super-2 number, since 2×105946647² = 22449384021085218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105946599 and 105946608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105946627) 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, 17657772 + ... + 17657777.

It is an arithmetic number, because the mean of its divisors is an integer number (35315550).

Almost surely, 2^105946647 is an apocalyptic number.

105946647 is a deficient number, since it is larger than the sum of its proper divisors (35315553).

105946647 is an equidigital number, since it uses as much as digits as its factorization.

105946647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35315552.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 105946647 is about 10293.0387641357. The cubic root of 105946647 is about 473.1829333816.

The spelling of 105946647 in words is "one hundred five million, nine hundred forty-six thousand, six hundred forty-seven".