983090189 has 2 divisors, whose sum is σ = 983090190. Its totient is φ = 983090188.

The previous prime is 983090167. The next prime is 983090203. The reversal of 983090189 is 981090389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968267689 + 14822500 = 31117^2 + 3850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-983090189 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983090159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491545094 + 491545095.

It is an arithmetic number, because the mean of its divisors is an integer number (491545095).

Almost surely, 2^983090189 is an apocalyptic number.

It is an amenable number.

983090189 is a deficient number, since it is larger than the sum of its proper divisors (1).

983090189 is an equidigital number, since it uses as much as digits as its factorization.

983090189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 983090189 is about 31354.2690713721. The cubic root of 983090189 is about 994.3313231551.

The spelling of 983090189 in words is "nine hundred eighty-three million, ninety thousand, one hundred eighty-nine".