9871472 has 20 divisors (see below), whose sum is σ = 20597640. Its totient is φ = 4555968.

The previous prime is 9871471. The next prime is 9871481. The reversal of 9871472 is 2741789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9871471) 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, 23522 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (1029882).

Almost surely, 2^9871472 is an apocalyptic number.

It is an amenable number.

9871472 is an abundant number, since it is smaller than the sum of its proper divisors (10726168).

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

9871472 is a wasteful number, since it uses less digits than its factorization.

9871472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47480 (or 47474 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 9871472 is about 3141.8898771281. The cubic root of 9871472 is about 214.5164687975.

The spelling of 9871472 in words is "nine million, eight hundred seventy-one thousand, four hundred seventy-two".