9876681 has 16 divisors (see below), whose sum is σ = 14835520. Its totient is φ = 6492960.

The previous prime is 9876673. The next prime is 9876701. The reversal of 9876681 is 1866789.

It is a happy number.

9876681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9876681 - 2³ = 9876673 is a prime.

It is a super-2 number, since 2×9876681² = 195097655151522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9876611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535 + ... + 4476.

It is an arithmetic number, because the mean of its divisors is an integer number (927220).

Almost surely, 2^9876681 is an apocalyptic number.

It is an amenable number.

9876681 is a deficient number, since it is larger than the sum of its proper divisors (4958839).

9876681 is a wasteful number, since it uses less digits than its factorization.

9876681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5087 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 9876681 is about 3142.7187274715. The cubic root of 9876681 is about 214.5541943362.

The spelling of 9876681 in words is "nine million, eight hundred seventy-six thousand, six hundred eighty-one".