9947393 has 8 divisors (see below), whose sum is σ = 10502400. Its totient is φ = 9395568.

The previous prime is 9947383. The next prime is 9947407. The reversal of 9947393 is 3937499.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9947393 - 2¹⁶ = 9881857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9947303) 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, 8555 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (1312800).

Almost surely, 2^9947393 is an apocalyptic number.

It is an amenable number.

9947393 is a deficient number, since it is larger than the sum of its proper divisors (555007).

9947393 is a wasteful number, since it uses less digits than its factorization.

9947393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its digits is 183708, while the sum is 44.

The square root of 9947393 is about 3153.9487947651. The cubic root of 9947393 is about 215.0650100866.

The spelling of 9947393 in words is "nine million, nine hundred forty-seven thousand, three hundred ninety-three".