8242881 has 4 divisors (see below), whose sum is σ = 10990512. Its totient is φ = 5495252.

The previous prime is 8242877. The next prime is 8242889. The reversal of 8242881 is 1882428.

8242881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 8242881 - 2² = 8242877 is a prime.

It is a super-2 number, since 2×8242881² = 135890174360322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8242889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373811 + ... + 1373816.

It is an arithmetic number, because the mean of its divisors is an integer number (2747628).

Almost surely, 2^8242881 is an apocalyptic number.

It is an amenable number.

8242881 is a deficient number, since it is larger than the sum of its proper divisors (2747631).

8242881 is a wasteful number, since it uses less digits than its factorization.

8242881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747630.

The product of its digits is 8192, while the sum is 33.

The square root of 8242881 is about 2871.0417969789. The cubic root of 8242881 is about 202.0038639264.

The spelling of 8242881 in words is "eight million, two hundred forty-two thousand, eight hundred eighty-one".