888890489 has 2 divisors, whose sum is σ = 888890490. Its totient is φ = 888890488.

The previous prime is 888890477. The next prime is 888890549. The reversal of 888890489 is 984098888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 882565264 + 6325225 = 29708^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 888890489 - 2¹² = 888886393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (888890389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444445244 + 444445245.

It is an arithmetic number, because the mean of its divisors is an integer number (444445245).

Almost surely, 2^888890489 is an apocalyptic number.

It is an amenable number.

888890489 is a deficient number, since it is larger than the sum of its proper divisors (1).

888890489 is an equidigital number, since it uses as much as digits as its factorization.

888890489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10616832, while the sum is 62.

The square root of 888890489 is about 29814.2665346642. The cubic root of 888890489 is about 961.5002904778.

The spelling of 888890489 in words is "eight hundred eighty-eight million, eight hundred ninety thousand, four hundred eighty-nine".