994884691 has 2 divisors, whose sum is σ = 994884692. Its totient is φ = 994884690.

The previous prime is 994884689. The next prime is 994884713. The reversal of 994884691 is 196488499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 994884691 - 2¹ = 994884689 is a prime.

Together with 994884689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (994881691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497442345 + 497442346.

It is an arithmetic number, because the mean of its divisors is an integer number (497442346).

Almost surely, 2^994884691 is an apocalyptic number.

994884691 is a deficient number, since it is larger than the sum of its proper divisors (1).

994884691 is an equidigital number, since it uses as much as digits as its factorization.

994884691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 58.

The square root of 994884691 is about 31541.7927676916. The cubic root of 994884691 is about 998.2919813332.

The spelling of 994884691 in words is "nine hundred ninety-four million, eight hundred eighty-four thousand, six hundred ninety-one".