9835213 has 4 divisors (see below), whose sum is σ = 9996508. Its totient is φ = 9673920.

The previous prime is 9835211. The next prime is 9835219. The reversal of 9835213 is 3125389.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 6160324 = 1917^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 9835213 - 2¹ = 9835211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9835211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80556 + ... + 80677.

It is an arithmetic number, because the mean of its divisors is an integer number (2499127).

Almost surely, 2^9835213 is an apocalyptic number.

It is an amenable number.

9835213 is a deficient number, since it is larger than the sum of its proper divisors (161295).

9835213 is a wasteful number, since it uses less digits than its factorization.

9835213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161294.

The product of its digits is 6480, while the sum is 31.

The square root of 9835213 is about 3136.1143155185. The cubic root of 9835213 is about 214.2534990513.

The spelling of 9835213 in words is "nine million, eight hundred thirty-five thousand, two hundred thirteen".