9309913 has 8 divisors (see below), whose sum is σ = 9492480. Its totient is φ = 9129120.

The previous prime is 9309907. The next prime is 9309919. The reversal of 9309913 is 3199039.

It is a happy number.

9309913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9309907) and next prime (9309919).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9309913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9309919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14781 + ... + 15397.

It is an arithmetic number, because the mean of its divisors is an integer number (1186560).

Almost surely, 2^9309913 is an apocalyptic number.

It is an amenable number.

9309913 is a deficient number, since it is larger than the sum of its proper divisors (182567).

9309913 is a wasteful number, since it uses less digits than its factorization.

9309913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 9309913 is about 3051.2150038960. The cubic root of 9309913 is about 210.3690637841.

The spelling of 9309913 in words is "nine million, three hundred nine thousand, nine hundred thirteen".