106447446 has 160 divisors (see below), whose sum is σ = 291329280. Its totient is φ = 28413504.

The previous prime is 106447441. The next prime is 106447457. The reversal of 106447446 is 644744601.

106447446 is a `hidden beast` number, since 1 + 0 + 644 + 7 + 4 + 4 + 6 = 666.

It is a super-2 number, since 2×106447446² = 22662117519845832, 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 106447446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106447441) 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 in 79 ways as a sum of consecutive naturals, for example, 1804165 + ... + 1804223.

It is an arithmetic number, because the mean of its divisors is an integer number (1820808).

Almost surely, 2^106447446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106447446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145664640).

106447446 is an abundant number, since it is smaller than the sum of its proper divisors (184881834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106447446 is a wasteful number, since it uses less digits than its factorization.

106447446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 106447446 is about 10317.3371564566. The cubic root of 106447446 is about 473.9273242205.

The spelling of 106447446 in words is "one hundred six million, four hundred forty-seven thousand, four hundred forty-six".