943398943 has 2 divisors, whose sum is σ = 943398944. Its totient is φ = 943398942.

The previous prime is 943398931. The next prime is 943398949. The reversal of 943398943 is 349893349.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 943398943 - 2¹³ = 943390751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (943398949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471699471 + 471699472.

It is an arithmetic number, because the mean of its divisors is an integer number (471699472).

Almost surely, 2^943398943 is an apocalyptic number.

943398943 is a deficient number, since it is larger than the sum of its proper divisors (1).

943398943 is an equidigital number, since it uses as much as digits as its factorization.

943398943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 52.

The square root of 943398943 is about 30714.8000644640. The cubic root of 943398943 is about 980.7653825728.

The spelling of 943398943 in words is "nine hundred forty-three million, three hundred ninety-eight thousand, nine hundred forty-three".