9164881 has 4 divisors (see below), whose sum is σ = 9998064. Its totient is φ = 8331700.

The previous prime is 9164873. The next prime is 9164917. The reversal of 9164881 is 1884619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1884619 = 11 ⋅171329.

It is a cyclic number.

It is not a de Polignac number, because 9164881 - 2³ = 9164873 is a prime.

It is a super-2 number, since 2×9164881² = 167990087488322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9164881.

It is not an unprimeable number, because it can be changed into a prime (9164861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416575 + ... + 416596.

It is an arithmetic number, because the mean of its divisors is an integer number (2499516).

Almost surely, 2^9164881 is an apocalyptic number.

It is an amenable number.

9164881 is a deficient number, since it is larger than the sum of its proper divisors (833183).

9164881 is a wasteful number, since it uses less digits than its factorization.

9164881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833182.

The product of its digits is 13824, while the sum is 37.

The square root of 9164881 is about 3027.3554465903. The cubic root of 9164881 is about 209.2709488487.

The spelling of 9164881 in words is "nine million, one hundred sixty-four thousand, eight hundred eighty-one".