96985409 has 2 divisors, whose sum is σ = 96985410. Its totient is φ = 96985408.

The previous prime is 96985403. The next prime is 96985433. The reversal of 96985409 is 90458969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 14992384 = 9055^2 + 3872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96985409 is a prime.

It is not a weakly prime, because it can be changed into another prime (96985403) 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, 48492704 + 48492705.

It is an arithmetic number, because the mean of its divisors is an integer number (48492705).

Almost surely, 2^96985409 is an apocalyptic number.

It is an amenable number.

96985409 is a deficient number, since it is larger than the sum of its proper divisors (1).

96985409 is an equidigital number, since it uses as much as digits as its factorization.

96985409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 96985409 is about 9848.1170281430. The cubic root of 96985409 is about 459.4470498247.

The spelling of 96985409 in words is "ninety-six million, nine hundred eighty-five thousand, four hundred nine".