9958913 has 2 divisors, whose sum is σ = 9958914. Its totient is φ = 9958912.

The previous prime is 9958901. The next prime is 9958937. The reversal of 9958913 is 3198599.

9958913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7360369 + 2598544 = 2713^2 + 1612^2 .

It is an emirp because it is prime and its reverse (3198599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9958913 - 2⁶ = 9958849 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9958973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4979456 + 4979457.

It is an arithmetic number, because the mean of its divisors is an integer number (4979457).

Almost surely, 2^9958913 is an apocalyptic number.

It is an amenable number.

9958913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9958913 is an equidigital number, since it uses as much as digits as its factorization.

9958913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 44.

The square root of 9958913 is about 3155.7745483478. The cubic root of 9958913 is about 215.1479997744.

The spelling of 9958913 in words is "nine million, nine hundred fifty-eight thousand, nine hundred thirteen".