8240841 has 12 divisors (see below), whose sum is σ = 13604032. Its totient is φ = 4709016.

The previous prime is 8240809. The next prime is 8240849. The reversal of 8240841 is 1480428.

It is not a de Polignac number, because 8240841 - 2⁵ = 8240809 is a prime.

It is a super-2 number, since 2×8240841² = 135822920774562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8240849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65341 + ... + 65466.

Almost surely, 2^8240841 is an apocalyptic number.

It is an amenable number.

8240841 is a deficient number, since it is larger than the sum of its proper divisors (5363191).

8240841 is a wasteful number, since it uses less digits than its factorization.

8240841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130820 (or 130817 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 8240841 is about 2870.6865032602. The cubic root of 8240841 is about 201.9871981561.

The spelling of 8240841 in words is "eight million, two hundred forty thousand, eight hundred forty-one".