9858872 has 32 divisors (see below), whose sum is σ = 19995600. Its totient is φ = 4541184.

The previous prime is 9858859. The next prime is 9858887. The reversal of 9858872 is 2788589.

It is a super-2 number, since 2×9858872² = 194394714224768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 6500.

Almost surely, 2^9858872 is an apocalyptic number.

It is an amenable number.

9858872 is an abundant number, since it is smaller than the sum of its proper divisors (10136728).

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

9858872 is a wasteful number, since it uses less digits than its factorization.

9858872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815 (or 1811 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The square root of 9858872 is about 3139.8840742932. The cubic root of 9858872 is about 214.4251599455.

The spelling of 9858872 in words is "nine million, eight hundred fifty-eight thousand, eight hundred seventy-two".