9871001446 has 4 divisors (see below), whose sum is σ = 14806502172. Its totient is φ = 4935500722.

The previous prime is 9871001443. The next prime is 9871001489. The reversal of 9871001446 is 6441001789.

9871001446 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9871001399 and 9871001408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9871001443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2467750360 + ... + 2467750363.

It is an arithmetic number, because the mean of its divisors is an integer number (3701625543).

Almost surely, 2^9871001446 is an apocalyptic number.

9871001446 is a deficient number, since it is larger than the sum of its proper divisors (4935500726).

9871001446 is a wasteful number, since it uses less digits than its factorization.

9871001446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935500725.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 9871001446 is about 99352.9136261237. The cubic root of 9871001446 is about 2145.1306021475.

The spelling of 9871001446 in words is "nine billion, eight hundred seventy-one million, one thousand, four hundred forty-six".