899617 has 2 divisors, whose sum is σ = 899618. Its totient is φ = 899616.

The previous prime is 899611. The next prime is 899659. The reversal of 899617 is 716998.

899617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 69696 = 911^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 899617 - 2¹⁵ = 866849 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 899617.

It is not a weakly prime, because it can be changed into another prime (899611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449808 + 449809.

It is an arithmetic number, because the mean of its divisors is an integer number (449809).

2⁸⁹⁹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

899617 is a deficient number, since it is larger than the sum of its proper divisors (1).

899617 is an equidigital number, since it uses as much as digits as its factorization.

899617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 899617 is about 948.4814178464. The cubic root of 899617 is about 96.5352408716.

The spelling of 899617 in words is "eight hundred ninety-nine thousand, six hundred seventeen".