994004111 has 2 divisors, whose sum is σ = 994004112. Its totient is φ = 994004110.

The previous prime is 994004101. The next prime is 994004129. The reversal of 994004111 is 111400499.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994004111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994004101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497002055 + 497002056.

It is an arithmetic number, because the mean of its divisors is an integer number (497002056).

Almost surely, 2^994004111 is an apocalyptic number.

994004111 is a deficient number, since it is larger than the sum of its proper divisors (1).

994004111 is an equidigital number, since it uses as much as digits as its factorization.

994004111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 994004111 is about 31527.8307373026. The cubic root of 994004111 is about 997.9973624534.

The spelling of 994004111 in words is "nine hundred ninety-four million, four thousand, one hundred eleven".