9863220 has 24 divisors (see below), whose sum is σ = 27617184. Its totient is φ = 2630176.

The previous prime is 9863171. The next prime is 9863221. The reversal of 9863220 is 223689.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9863221) 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, 82134 + ... + 82253.

It is an arithmetic number, because the mean of its divisors is an integer number (1150716).

Almost surely, 2^9863220 is an apocalyptic number.

It is an amenable number.

9863220 is an abundant number, since it is smaller than the sum of its proper divisors (17753964).

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

9863220 is a wasteful number, since it uses less digits than its factorization.

9863220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164399 (or 164397 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9863220 is about 3140.5763802207. The cubic root of 9863220 is about 214.4566775326.

The spelling of 9863220 in words is "nine million, eight hundred sixty-three thousand, two hundred twenty".