994476911 has 2 divisors, whose sum is σ = 994476912. Its totient is φ = 994476910.

The previous prime is 994476887. The next prime is 994476947. The reversal of 994476911 is 119674499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994476911 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994476911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994476991) 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, 497238455 + 497238456.

It is an arithmetic number, because the mean of its divisors is an integer number (497238456).

Almost surely, 2^994476911 is an apocalyptic number.

994476911 is a deficient number, since it is larger than the sum of its proper divisors (1).

994476911 is an equidigital number, since it uses as much as digits as its factorization.

994476911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 994476911 is about 31535.3279830732. The cubic root of 994476911 is about 998.1555705047.

The spelling of 994476911 in words is "nine hundred ninety-four million, four hundred seventy-six thousand, nine hundred eleven".