994388449 has 2 divisors, whose sum is σ = 994388450. Its totient is φ = 994388448.

The previous prime is 994388411. The next prime is 994388467. The reversal of 994388449 is 944883499.

994388449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695271424 + 299117025 = 26368^2 + 17295^2 .

It is a cyclic number.

It is not a de Polignac number, because 994388449 - 2⁷ = 994388321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994388393 and 994388402.

It is not a weakly prime, because it can be changed into another prime (994388249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497194224 + 497194225.

It is an arithmetic number, because the mean of its divisors is an integer number (497194225).

Almost surely, 2^994388449 is an apocalyptic number.

It is an amenable number.

994388449 is a deficient number, since it is larger than the sum of its proper divisors (1).

994388449 is an equidigital number, since it uses as much as digits as its factorization.

994388449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 58.

The square root of 994388449 is about 31533.9253661830. The cubic root of 994388449 is about 998.1259732175.

The spelling of 994388449 in words is "nine hundred ninety-four million, three hundred eighty-eight thousand, four hundred forty-nine".