994606477 has 2 divisors, whose sum is σ = 994606478. Its totient is φ = 994606476.

The previous prime is 994606441. The next prime is 994606507. The reversal of 994606477 is 774606499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 982258281 + 12348196 = 31341^2 + 3514^2 .

It is an emirp because it is prime and its reverse (774606499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994606477 - 2¹⁵ = 994573709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994606177) 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, 497303238 + 497303239.

It is an arithmetic number, because the mean of its divisors is an integer number (497303239).

Almost surely, 2^994606477 is an apocalyptic number.

It is an amenable number.

994606477 is a deficient number, since it is larger than the sum of its proper divisors (1).

994606477 is an equidigital number, since it uses as much as digits as its factorization.

994606477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 994606477 is about 31537.3822153964. The cubic root of 994606477 is about 998.1989170477.

The spelling of 994606477 in words is "nine hundred ninety-four million, six hundred six thousand, four hundred seventy-seven".