9963739 has 2 divisors, whose sum is σ = 9963740. Its totient is φ = 9963738.

The previous prime is 9963727. The next prime is 9963749. The reversal of 9963739 is 9373699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9963739 - 2⁹ = 9963227 is a prime.

It is not a weakly prime, because it can be changed into another prime (9963719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981869 + 4981870.

It is an arithmetic number, because the mean of its divisors is an integer number (4981870).

Almost surely, 2^9963739 is an apocalyptic number.

9963739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9963739 is an equidigital number, since it uses as much as digits as its factorization.

9963739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 275562, while the sum is 46.

The square root of 9963739 is about 3156.5390857710. The cubic root of 9963739 is about 215.1827470932.

The spelling of 9963739 in words is "nine million, nine hundred sixty-three thousand, seven hundred thirty-nine".