9876901 has 2 divisors, whose sum is σ = 9876902. Its totient is φ = 9876900.

The previous prime is 9876899. The next prime is 9876929. The reversal of 9876901 is 1096789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7986276 + 1890625 = 2826^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 9876901 - 2¹ = 9876899 is a prime.

Together with 9876899, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9876931) 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 as a sum of consecutive naturals, namely, 4938450 + 4938451.

It is an arithmetic number, because the mean of its divisors is an integer number (4938451).

Almost surely, 2^9876901 is an apocalyptic number.

It is an amenable number.

9876901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9876901 is an equidigital number, since it uses as much as digits as its factorization.

9876901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9876901 is about 3142.7537288181. The cubic root of 9876901 is about 214.5557873670. Note that the first 3 decimals are identical.

The spelling of 9876901 in words is "nine million, eight hundred seventy-six thousand, nine hundred one".