8316881 has 4 divisors (see below), whose sum is σ = 8603700. Its totient is φ = 8030064.

The previous prime is 8316863. The next prime is 8316887. The reversal of 8316881 is 1886138.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 6838225 = 1216^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 8316881 - 2¹⁴ = 8300497 is a prime.

It is a super-2 number, since 2×8316881² = 138341019136322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8316887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143366 + ... + 143423.

It is an arithmetic number, because the mean of its divisors is an integer number (2150925).

Almost surely, 2^8316881 is an apocalyptic number.

It is an amenable number.

8316881 is a deficient number, since it is larger than the sum of its proper divisors (286819).

8316881 is a wasteful number, since it uses less digits than its factorization.

8316881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286818.

The product of its digits is 9216, while the sum is 35.

The square root of 8316881 is about 2883.9003103436. The cubic root of 8316881 is about 202.6065567325.

The spelling of 8316881 in words is "eight million, three hundred sixteen thousand, eight hundred eighty-one".