9796421 has 2 divisors, whose sum is σ = 9796422. Its totient is φ = 9796420.

The previous prime is 9796411. The next prime is 9796429. The reversal of 9796421 is 1246979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 1322500 = 2911^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 9796421 - 2⁶ = 9796357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9796429) 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, 4898210 + 4898211.

It is an arithmetic number, because the mean of its divisors is an integer number (4898211).

Almost surely, 2^9796421 is an apocalyptic number.

It is an amenable number.

9796421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9796421 is an equidigital number, since it uses as much as digits as its factorization.

9796421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 9796421 is about 3129.9234814928. The cubic root of 9796421 is about 213.9714420214.

The spelling of 9796421 in words is "nine million, seven hundred ninety-six thousand, four hundred twenty-one".