9894872 has 16 divisors (see below), whose sum is σ = 19980240. Its totient is φ = 4566816.

The previous prime is 9894851. The next prime is 9894883. The reversal of 9894872 is 2784989.

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, 47468 + ... + 47675.

It is an arithmetic number, because the mean of its divisors is an integer number (1248765).

Almost surely, 2^9894872 is an apocalyptic number.

It is an amenable number.

9894872 is an abundant number, since it is smaller than the sum of its proper divisors (10085368).

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

9894872 is a wasteful number, since it uses less digits than its factorization.

9894872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95162 (or 95158 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 9894872 is about 3145.6115462657. The cubic root of 9894872 is about 214.6858364545.

The spelling of 9894872 in words is "nine million, eight hundred ninety-four thousand, eight hundred seventy-two".