983134393 has 2 divisors, whose sum is σ = 983134394. Its totient is φ = 983134392.

The previous prime is 983134357. The next prime is 983134417. The reversal of 983134393 is 393431389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965469184 + 17665209 = 31072^2 + 4203^2 .

It is a cyclic number.

It is not a de Polignac number, because 983134393 - 2⁹ = 983133881 is a prime.

It is not a weakly prime, because it can be changed into another prime (983134343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491567196 + 491567197.

It is an arithmetic number, because the mean of its divisors is an integer number (491567197).

Almost surely, 2^983134393 is an apocalyptic number.

It is an amenable number.

983134393 is a deficient number, since it is larger than the sum of its proper divisors (1).

983134393 is an equidigital number, since it uses as much as digits as its factorization.

983134393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 43.

The square root of 983134393 is about 31354.9739754317. The cubic root of 983134393 is about 994.3462260817.

The spelling of 983134393 in words is "nine hundred eighty-three million, one hundred thirty-four thousand, three hundred ninety-three".