993000347 has 2 divisors, whose sum is σ = 993000348. Its totient is φ = 993000346.

The previous prime is 993000317. The next prime is 993000383. The reversal of 993000347 is 743000399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993000347 - 2²⁰ = 991951771 is a prime.

It is equal to p_50509628 and since 993000347 and 50509628 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (993000317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496500173 + 496500174.

It is an arithmetic number, because the mean of its divisors is an integer number (496500174).

Almost surely, 2^993000347 is an apocalyptic number.

993000347 is a deficient number, since it is larger than the sum of its proper divisors (1).

993000347 is an equidigital number, since it uses as much as digits as its factorization.

993000347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 993000347 is about 31511.9080190331. The cubic root of 993000347 is about 997.6613171597.

The spelling of 993000347 in words is "nine hundred ninety-three million, three hundred forty-seven", and thus it is an aban number.