8240851 has 4 divisors (see below), whose sum is σ = 8674600. Its totient is φ = 7807104.

The previous prime is 8240849. The next prime is 8240857. The reversal of 8240851 is 1580428.

8240851 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.

It is a cyclic number.

It is not a de Polignac number, because 8240851 - 2¹ = 8240849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8240857) 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, 216846 + ... + 216883.

It is an arithmetic number, because the mean of its divisors is an integer number (2168650).

Almost surely, 2^8240851 is an apocalyptic number.

8240851 is a deficient number, since it is larger than the sum of its proper divisors (433749).

8240851 is a wasteful number, since it uses less digits than its factorization.

8240851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433748.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8240851 is about 2870.6882450033. The cubic root of 8240851 is about 201.9872798578.

The spelling of 8240851 in words is "eight million, two hundred forty thousand, eight hundred fifty-one".