9800731 has 2 divisors, whose sum is σ = 9800732. Its totient is φ = 9800730.

The previous prime is 9800711. The next prime is 9800741. The reversal of 9800731 is 1370089.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9800731 - 2¹³ = 9792539 is a prime.

It is a super-2 number, since 2×9800731² = 192108656268722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9800731.

It is not a weakly prime, because it can be changed into another prime (9800711) 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, 4900365 + 4900366.

It is an arithmetic number, because the mean of its divisors is an integer number (4900366).

Almost surely, 2^9800731 is an apocalyptic number.

9800731 is a deficient number, since it is larger than the sum of its proper divisors (1).

9800731 is an equidigital number, since it uses as much as digits as its factorization.

9800731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 9800731 is about 3130.6119210148. The cubic root of 9800731 is about 214.0028168028.

The spelling of 9800731 in words is "nine million, eight hundred thousand, seven hundred thirty-one".