8359681 has 8 divisors (see below), whose sum is σ = 9223200. Its totient is φ = 7513440.

The previous prime is 8359679. The next prime is 8359697. The reversal of 8359681 is 1869538.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8359681 - 2¹ = 8359679 is a prime.

It is a super-2 number, since 2×8359681² = 139768532843522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8359621) 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 7 ways as a sum of consecutive naturals, for example, 3291 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (1152900).

Almost surely, 2^8359681 is an apocalyptic number.

It is an amenable number.

8359681 is a deficient number, since it is larger than the sum of its proper divisors (863519).

8359681 is a wasteful number, since it uses less digits than its factorization.

8359681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639.

The product of its digits is 51840, while the sum is 40.

The square root of 8359681 is about 2891.3112942055. The cubic root of 8359681 is about 202.9535108342.

The spelling of 8359681 in words is "eight million, three hundred fifty-nine thousand, six hundred eighty-one".