9842813 has 8 divisors (see below), whose sum is σ = 10487232. Its totient is φ = 9205696.

The previous prime is 9842773. The next prime is 9842831. The reversal of 9842813 is 3182489.

It is a happy number.

9842813 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9842813 - 2¹⁰ = 9841789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 4572.

It is an arithmetic number, because the mean of its divisors is an integer number (1310904).

Almost surely, 2^9842813 is an apocalyptic number.

It is an amenable number.

9842813 is a deficient number, since it is larger than the sum of its proper divisors (644419).

9842813 is a wasteful number, since it uses less digits than its factorization.

9842813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651.

The product of its digits is 13824, while the sum is 35.

The square root of 9842813 is about 3137.3257720549. The cubic root of 9842813 is about 214.3086718049.

The spelling of 9842813 in words is "nine million, eight hundred forty-two thousand, eight hundred thirteen".