9985210 has 16 divisors (see below), whose sum is σ = 18028296. Its totient is φ = 3981888.

The previous prime is 9985207. The next prime is 9985229. The reversal of 9985210 is 125899.

9985210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5184729 + 4800481 = 2277^2 + 2191^2 .

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392 + ... + 5068.

Almost surely, 2^9985210 is an apocalyptic number.

9985210 is a deficient number, since it is larger than the sum of its proper divisors (8043086).

9985210 is a wasteful number, since it uses less digits than its factorization.

9985210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 9985210 is about 3159.9382905367. The cubic root of 9985210 is about 215.3372029666.

The spelling of 9985210 in words is "nine million, nine hundred eighty-five thousand, two hundred ten".