8943457 has 2 divisors, whose sum is σ = 8943458. Its totient is φ = 8943456.

The previous prime is 8943439. The next prime is 8943461. The reversal of 8943457 is 7543498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7595536 + 1347921 = 2756^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 8943457 - 2⁷ = 8943329 is a prime.

It is a super-2 number, since 2×8943457² = 159970846221698, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (8943437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471728 + 4471729.

It is an arithmetic number, because the mean of its divisors is an integer number (4471729).

Almost surely, 2^8943457 is an apocalyptic number.

It is an amenable number.

8943457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8943457 is an equidigital number, since it uses as much as digits as its factorization.

8943457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 8943457 is about 2990.5613185487. The cubic root of 8943457 is about 207.5718587912.

The spelling of 8943457 in words is "eight million, nine hundred forty-three thousand, four hundred fifty-seven".