994885937 has 2 divisors, whose sum is σ = 994885938. Its totient is φ = 994885936.

The previous prime is 994885909. The next prime is 994885943. The reversal of 994885937 is 739588499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955057216 + 39828721 = 30904^2 + 6311^2 .

It is a cyclic number.

It is not a de Polignac number, because 994885937 - 2⁶ = 994885873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994885937.

It is not a weakly prime, because it can be changed into another prime (994882937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497442968 + 497442969.

It is an arithmetic number, because the mean of its divisors is an integer number (497442969).

Almost surely, 2^994885937 is an apocalyptic number.

It is an amenable number.

994885937 is a deficient number, since it is larger than the sum of its proper divisors (1).

994885937 is an equidigital number, since it uses as much as digits as its factorization.

994885937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 62.

The square root of 994885937 is about 31541.8125192577. The cubic root of 994885937 is about 998.2923980888.

The spelling of 994885937 in words is "nine hundred ninety-four million, eight hundred eighty-five thousand, nine hundred thirty-seven".