9947793 has 8 divisors (see below), whose sum is σ = 13395456. Its totient is φ = 6566000.

The previous prime is 9947779. The next prime is 9947803. The reversal of 9947793 is 3977499.

9947793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9947793 - 2⁵ = 9947761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9947723) 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, 16113 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (1674432).

Almost surely, 2^9947793 is an apocalyptic number.

It is an amenable number.

9947793 is a deficient number, since it is larger than the sum of its proper divisors (3447663).

9947793 is a wasteful number, since it uses less digits than its factorization.

9947793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32935.

The product of its digits is 428652, while the sum is 48.

The square root of 9947793 is about 3154.0122066980. The cubic root of 9947793 is about 215.0678927464.

The spelling of 9947793 in words is "nine million, nine hundred forty-seven thousand, seven hundred ninety-three".