8890457 has 2 divisors, whose sum is σ = 8890458. Its totient is φ = 8890456.

The previous prime is 8890447. The next prime is 8890463. The reversal of 8890457 is 7540988.

8890457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 4096 = 2981^2 + 64^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8890457 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (8890447) 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, 4445228 + 4445229.

It is an arithmetic number, because the mean of its divisors is an integer number (4445229).

Almost surely, 2^8890457 is an apocalyptic number.

It is an amenable number.

8890457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8890457 is an equidigital number, since it uses as much as digits as its factorization.

8890457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8890457 is about 2981.6869386305. The cubic root of 8890457 is about 207.1610142286.

The spelling of 8890457 in words is "eight million, eight hundred ninety thousand, four hundred fifty-seven".