8238681 has 12 divisors (see below), whose sum is σ = 12982320. Its totient is φ = 4993080.

The previous prime is 8238619. The next prime is 8238683. The reversal of 8238681 is 1868328.

It is not a de Polignac number, because 8238681 - 2⁷ = 8238553 is a prime.

It is a super-2 number, since 2×8238681² = 135751729239522, which contains 22 as substring.

8238681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8238683) 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, 41511 + ... + 41708.

It is an arithmetic number, because the mean of its divisors is an integer number (1081860).

Almost surely, 2^8238681 is an apocalyptic number.

It is an amenable number.

8238681 is a deficient number, since it is larger than the sum of its proper divisors (4743639).

8238681 is a wasteful number, since it uses less digits than its factorization.

8238681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83236 (or 83233 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8238681 is about 2870.3102619752. The cubic root of 8238681 is about 201.9695490484.

The spelling of 8238681 in words is "eight million, two hundred thirty-eight thousand, six hundred eighty-one".