9858220 has 12 divisors (see below), whose sum is σ = 20702304. Its totient is φ = 3943280.

The previous prime is 9858197. The next prime is 9858229. The reversal of 9858220 is 228589.

9858220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9858229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246436 + ... + 246475.

It is an arithmetic number, because the mean of its divisors is an integer number (1725192).

Almost surely, 2^9858220 is an apocalyptic number.

It is an amenable number.

9858220 is an abundant number, since it is smaller than the sum of its proper divisors (10844084).

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

9858220 is a wasteful number, since it uses less digits than its factorization.

9858220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492920 (or 492918 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 9858220 is about 3139.7802470874. The cubic root of 9858220 is about 214.4204329583.

The spelling of 9858220 in words is "nine million, eight hundred fifty-eight thousand, two hundred twenty".