9993047 has 2 divisors, whose sum is σ = 9993048. Its totient is φ = 9993046.

The previous prime is 9993019. The next prime is 9993079. The reversal of 9993047 is 7403999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9993047 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9992995 and 9993013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9990047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996523 + 4996524.

It is an arithmetic number, because the mean of its divisors is an integer number (4996524).

Almost surely, 2^9993047 is an apocalyptic number.

9993047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993047 is an equidigital number, since it uses as much as digits as its factorization.

9993047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9993047 is about 3161.1781031761. The cubic root of 9993047 is about 215.3935248113.

The spelling of 9993047 in words is "nine million, nine hundred ninety-three thousand, forty-seven".