9785872 has 20 divisors (see below), whose sum is σ = 19064380. Its totient is φ = 4866048.

The previous prime is 9785851. The next prime is 9785887. The reversal of 9785872 is 2785879.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 4477456 = 2304^2 + 2116^2 .

It is a nialpdrome in base 16.

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, 1504 + ... + 4672.

It is an arithmetic number, because the mean of its divisors is an integer number (953219).

Almost surely, 2^9785872 is an apocalyptic number.

It is an amenable number.

9785872 is a deficient number, since it is larger than the sum of its proper divisors (9278508).

9785872 is a wasteful number, since it uses less digits than its factorization.

9785872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3364 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The square root of 9785872 is about 3128.2378426200. The cubic root of 9785872 is about 213.8946113972.

The spelling of 9785872 in words is "nine million, seven hundred eighty-five thousand, eight hundred seventy-two".