9821164 has 12 divisors (see below), whose sum is σ = 17323264. Its totient is φ = 4871664.

The previous prime is 9821159. The next prime is 9821173. The reversal of 9821164 is 4611289.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9159 + ... + 10174.

Almost surely, 2^9821164 is an apocalyptic number.

It is an amenable number.

9821164 is a deficient number, since it is larger than the sum of its proper divisors (7502100).

9821164 is a wasteful number, since it uses less digits than its factorization.

9821164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19464 (or 19462 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 9821164 is about 3133.8736413582. The cubic root of 9821164 is about 214.1514344334.

The spelling of 9821164 in words is "nine million, eight hundred twenty-one thousand, one hundred sixty-four".