896669 has 2 divisors, whose sum is σ = 896670. Its totient is φ = 896668.

The previous prime is 896647. The next prime is 896677. The reversal of 896669 is 966698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765625 + 131044 = 875^2 + 362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-896669 is a prime.

It is a super-2 number, since 2×896669² = 1608030591122, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (896069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448334 + 448335.

It is an arithmetic number, because the mean of its divisors is an integer number (448335).

2⁸⁹⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

896669 is a deficient number, since it is larger than the sum of its proper divisors (1).

896669 is an equidigital number, since it uses as much as digits as its factorization.

896669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 896669 is about 946.9260794803. The cubic root of 896669 is about 96.4296784248.

The spelling of 896669 in words is "eight hundred ninety-six thousand, six hundred sixty-nine".