8946881 has 4 divisors (see below), whose sum is σ = 9154992. Its totient is φ = 8738772.

The previous prime is 8946869. The next prime is 8946887. The reversal of 8946881 is 1886498.

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: 1886498 = 2 ⋅943249.

It is a cyclic number.

It is not a de Polignac number, because 8946881 - 2²² = 4752577 is a prime.

It is a super-2 number, since 2×8946881² = 160093359256322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8946887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103991 + ... + 104076.

It is an arithmetic number, because the mean of its divisors is an integer number (2288748).

Almost surely, 2^8946881 is an apocalyptic number.

It is an amenable number.

8946881 is a deficient number, since it is larger than the sum of its proper divisors (208111).

8946881 is a wasteful number, since it uses less digits than its factorization.

8946881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208110.

The product of its digits is 110592, while the sum is 44.

The square root of 8946881 is about 2991.1337315473. The cubic root of 8946881 is about 207.5983450207.

The spelling of 8946881 in words is "eight million, nine hundred forty-six thousand, eight hundred eighty-one".