106447447 has 4 divisors (see below), whose sum is σ = 106511800. Its totient is φ = 106383096.

The previous prime is 106447441. The next prime is 106447457. The reversal of 106447447 is 744744601.

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 106447447 - 2¹⁹ = 105923159 is a prime.

It is a super-2 number, since 2×106447447² = 22662117945635618, which contains 22 as substring.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29628 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (26627950).

Almost surely, 2^106447447 is an apocalyptic number.

106447447 is a deficient number, since it is larger than the sum of its proper divisors (64353).

106447447 is an equidigital number, since it uses as much as digits as its factorization.

106447447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64352.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 106447447 is about 10317.3372049187. The cubic root of 106447447 is about 473.9273257046.

The spelling of 106447447 in words is "one hundred six million, four hundred forty-seven thousand, four hundred forty-seven".