9820164 has 12 divisors (see below), whose sum is σ = 22913744. Its totient is φ = 3273384.

The previous prime is 9820163. The next prime is 9820189. The reversal of 9820164 is 4610289.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (9820163) 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, 409162 + ... + 409185.

Almost surely, 2^9820164 is an apocalyptic number.

It is an amenable number.

9820164 is an abundant number, since it is smaller than the sum of its proper divisors (13093580).

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

9820164 is a wasteful number, since it uses less digits than its factorization.

9820164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818354 (or 818352 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 9820164 is about 3133.7140903407. The cubic root of 9820164 is about 214.1441658210.

The spelling of 9820164 in words is "nine million, eight hundred twenty thousand, one hundred sixty-four".