994812347 has 2 divisors, whose sum is σ = 994812348. Its totient is φ = 994812346.

The previous prime is 994812283. The next prime is 994812349. The reversal of 994812347 is 743218499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994812347 - 2⁶ = 994812283 is a prime.

Together with 994812349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994812349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497406173 + 497406174.

It is an arithmetic number, because the mean of its divisors is an integer number (497406174).

Almost surely, 2^994812347 is an apocalyptic number.

994812347 is a deficient number, since it is larger than the sum of its proper divisors (1).

994812347 is an equidigital number, since it uses as much as digits as its factorization.

994812347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 994812347 is about 31540.6459508996. The cubic root of 994812347 is about 998.2677834919.

The spelling of 994812347 in words is "nine hundred ninety-four million, eight hundred twelve thousand, three hundred forty-seven".