994423907 has 2 divisors, whose sum is σ = 994423908. Its totient is φ = 994423906.

The previous prime is 994423901. The next prime is 994423909. The reversal of 994423907 is 709324499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994423907 - 2¹⁰ = 994422883 is a prime.

Together with 994423909, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 994423907 parts by 44596 straight cuts.

It is not a weakly prime, because it can be changed into another prime (994423901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497211953 + 497211954.

It is an arithmetic number, because the mean of its divisors is an integer number (497211954).

Almost surely, 2^994423907 is an apocalyptic number.

994423907 is a deficient number, since it is larger than the sum of its proper divisors (1).

994423907 is an equidigital number, since it uses as much as digits as its factorization.

994423907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 994423907 is about 31534.4875810596. The cubic root of 994423907 is about 998.1378368341.

The spelling of 994423907 in words is "nine hundred ninety-four million, four hundred twenty-three thousand, nine hundred seven".