994590589 has 2 divisors, whose sum is σ = 994590590. Its totient is φ = 994590588.

The previous prime is 994590539. The next prime is 994590601. The reversal of 994590589 is 985095499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 941446489 + 53144100 = 30683^2 + 7290^2 .

It is a cyclic number.

It is not a de Polignac number, because 994590589 - 2⁷ = 994590461 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 (994590539) 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, 497295294 + 497295295.

It is an arithmetic number, because the mean of its divisors is an integer number (497295295).

Almost surely, 2^994590589 is an apocalyptic number.

It is an amenable number.

994590589 is a deficient number, since it is larger than the sum of its proper divisors (1).

994590589 is an equidigital number, since it uses as much as digits as its factorization.

994590589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 58.

The square root of 994590589 is about 31537.1303228433. The cubic root of 994590589 is about 998.1936018907.

The spelling of 994590589 in words is "nine hundred ninety-four million, five hundred ninety thousand, five hundred eighty-nine".