8912881 has 4 divisors (see below), whose sum is σ = 9382000. Its totient is φ = 8443764.

The previous prime is 8912863. The next prime is 8912887. The reversal of 8912881 is 1882198.

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: 1882198 = 2 ⋅941099.

It is a cyclic number.

It is not a de Polignac number, because 8912881 - 2¹¹ = 8910833 is a prime.

It is a super-2 number, since 2×8912881² = 158878895440322, 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 8912881.

It is not an unprimeable number, because it can be changed into a prime (8912887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234531 + ... + 234568.

It is an arithmetic number, because the mean of its divisors is an integer number (2345500).

Almost surely, 2^8912881 is an apocalyptic number.

It is an amenable number.

8912881 is a deficient number, since it is larger than the sum of its proper divisors (469119).

8912881 is a wasteful number, since it uses less digits than its factorization.

8912881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469118.

The product of its digits is 9216, while the sum is 37.

The square root of 8912881 is about 2985.4448579734. Note that the first 3 decimals coincide. The cubic root of 8912881 is about 207.3350389698.

The spelling of 8912881 in words is "eight million, nine hundred twelve thousand, eight hundred eighty-one".