8416881 has 36 divisors (see below), whose sum is σ = 13693680. Its totient is φ = 4976400.

The previous prime is 8416879. The next prime is 8416937. The reversal of 8416881 is 1886148.

It is not a de Polignac number, because 8416881 - 2¹ = 8416879 is a prime.

It is a super-2 number, since 2×8416881² = 141687771536322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8416081) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64186 + ... + 64316.

It is an arithmetic number, because the mean of its divisors is an integer number (380380).

Almost surely, 2^8416881 is an apocalyptic number.

It is an amenable number.

8416881 is a deficient number, since it is larger than the sum of its proper divisors (5276799).

8416881 is a wasteful number, since it uses less digits than its factorization.

8416881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 204 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 8416881 is about 2901.1861367379. The cubic root of 8416881 is about 203.4153531569.

The spelling of 8416881 in words is "eight million, four hundred sixteen thousand, eight hundred eighty-one".