4389457 has 2 divisors, whose sum is σ = 4389458. Its totient is φ = 4389456.

The previous prime is 4389449. The next prime is 4389467. The reversal of 4389457 is 7549834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 1347921 = 1744^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 4389457 - 2³ = 4389449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4389467) 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, 2194728 + 2194729.

It is an arithmetic number, because the mean of its divisors is an integer number (2194729).

Almost surely, 2^4389457 is an apocalyptic number.

It is an amenable number.

4389457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4389457 is an equidigital number, since it uses as much as digits as its factorization.

4389457 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 4389457 is about 2095.1031000884. The cubic root of 4389457 is about 163.7332690790.

The spelling of 4389457 in words is "four million, three hundred eighty-nine thousand, four hundred fifty-seven".