9678901 has 2 divisors, whose sum is σ = 9678902. Its totient is φ = 9678900.

The previous prime is 9678863. The next prime is 9678947. The reversal of 9678901 is 1098769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6754801 + 2924100 = 2599^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 9678901 - 2²³ = 1290293 is a prime.

It is a super-2 number, since 2×9678901² = 187362249135602, which contains 22 as substring.

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 (9678971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839450 + 4839451.

It is an arithmetic number, because the mean of its divisors is an integer number (4839451).

Almost surely, 2^9678901 is an apocalyptic number.

It is an amenable number.

9678901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9678901 is an equidigital number, since it uses as much as digits as its factorization.

9678901 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 9678901 is about 3111.0932162184. The cubic root of 9678901 is about 213.1123816427.

The spelling of 9678901 in words is "nine million, six hundred seventy-eight thousand, nine hundred one".