106443609 has 8 divisors (see below), whose sum is σ = 148095552. Its totient is φ = 67877040.

The previous prime is 106443593. The next prime is 106443661. The reversal of 106443609 is 906344601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106443609 - 2⁴ = 106443593 is a prime.

It is a super-2 number, since 2×106443609² = 22660483793889762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 106443609.

It is not an unprimeable number, because it can be changed into a prime (106443679) 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 7 ways as a sum of consecutive naturals, for example, 771262 + ... + 771399.

It is an arithmetic number, because the mean of its divisors is an integer number (18511944).

Almost surely, 2^106443609 is an apocalyptic number.

It is an amenable number.

106443609 is a deficient number, since it is larger than the sum of its proper divisors (41651943).

106443609 is a wasteful number, since it uses less digits than its factorization.

106443609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542687.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 106443609 is about 10317.1512056381. The cubic root of 106443609 is about 473.9216297642.

The spelling of 106443609 in words is "one hundred six million, four hundred forty-three thousand, six hundred nine".