9871672 has 16 divisors (see below), whose sum is σ = 18646560. Its totient is φ = 4899264.

The previous prime is 9871663. The next prime is 9871699. The reversal of 9871672 is 2761789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3408 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (1165410).

Almost surely, 2^9871672 is an apocalyptic number.

It is an amenable number.

9871672 is a deficient number, since it is larger than the sum of its proper divisors (8774888).

9871672 is a wasteful number, since it uses less digits than its factorization.

9871672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150 (or 9146 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 9871672 is about 3141.9217049443. The cubic root of 9871672 is about 214.5179175177.

The spelling of 9871672 in words is "nine million, eight hundred seventy-one thousand, six hundred seventy-two".