106447647 has 4 divisors (see below), whose sum is σ = 141930200. Its totient is φ = 70965096.

The previous prime is 106447613. The next prime is 106447667. The reversal of 106447647 is 746744601.

It is a happy number.

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

It is not a de Polignac number, because 106447647 - 2¹⁵ = 106414879 is a prime.

It is a super-3 number, since 3×106447647³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106447667) 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, 17741272 + ... + 17741277.

It is an arithmetic number, because the mean of its divisors is an integer number (35482550).

Almost surely, 2^106447647 is an apocalyptic number.

106447647 is a deficient number, since it is larger than the sum of its proper divisors (35482553).

106447647 is an equidigital number, since it uses as much as digits as its factorization.

106447647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35482552.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 106447647 is about 10317.3468973375. The cubic root of 106447647 is about 473.9276225190.

The spelling of 106447647 in words is "one hundred six million, four hundred forty-seven thousand, six hundred forty-seven".