9312643 has 2 divisors, whose sum is σ = 9312644. Its totient is φ = 9312642.

The previous prime is 9312637. The next prime is 9312647. The reversal of 9312643 is 3462139.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9312643 - 2⁹ = 9312131 is a prime.

9312643 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9312647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4656321 + 4656322.

It is an arithmetic number, because the mean of its divisors is an integer number (4656322).

Almost surely, 2^9312643 is an apocalyptic number.

9312643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9312643 is an equidigital number, since it uses as much as digits as its factorization.

9312643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 9312643 is about 3051.6623338764. The cubic root of 9312643 is about 210.3896243564.

The spelling of 9312643 in words is "nine million, three hundred twelve thousand, six hundred forty-three".