9740399 has 2 divisors, whose sum is σ = 9740400. Its totient is φ = 9740398.

The previous prime is 9740389. The next prime is 9740413. The reversal of 9740399 is 9930479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9740399 - 2⁴ = 9740383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9740309) 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, 4870199 + 4870200.

It is an arithmetic number, because the mean of its divisors is an integer number (4870200).

Almost surely, 2^9740399 is an apocalyptic number.

9740399 is a deficient number, since it is larger than the sum of its proper divisors (1).

9740399 is an equidigital number, since it uses as much as digits as its factorization.

9740399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9740399 is about 3120.9612301341. The cubic root of 9740399 is about 213.5627883270.

The spelling of 9740399 in words is "nine million, seven hundred forty thousand, three hundred ninety-nine".