993248947 has 2 divisors, whose sum is σ = 993248948. Its totient is φ = 993248946.

The previous prime is 993248939. The next prime is 993248957. The reversal of 993248947 is 749842399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993248947 - 2³ = 993248939 is a prime.

It is not a weakly prime, because it can be changed into another prime (993248957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496624473 + 496624474.

It is an arithmetic number, because the mean of its divisors is an integer number (496624474).

Almost surely, 2^993248947 is an apocalyptic number.

993248947 is a deficient number, since it is larger than the sum of its proper divisors (1).

993248947 is an equidigital number, since it uses as much as digits as its factorization.

993248947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 993248947 is about 31515.8523127648. The cubic root of 993248947 is about 997.7445658412.

The spelling of 993248947 in words is "nine hundred ninety-three million, two hundred forty-eight thousand, nine hundred forty-seven".