896901689 has 2 divisors, whose sum is σ = 896901690. Its totient is φ = 896901688.

The previous prime is 896901671. The next prime is 896901757. The reversal of 896901689 is 986109698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696537664 + 200364025 = 26392^2 + 14155^2 .

It is a cyclic number.

It is not a de Polignac number, because 896901689 - 2²⁸ = 628466233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (896901619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448450844 + 448450845.

It is an arithmetic number, because the mean of its divisors is an integer number (448450845).

Almost surely, 2^896901689 is an apocalyptic number.

It is an amenable number.

896901689 is a deficient number, since it is larger than the sum of its proper divisors (1).

896901689 is an equidigital number, since it uses as much as digits as its factorization.

896901689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The square root of 896901689 is about 29948.3169643972. The cubic root of 896901689 is about 964.3801899225.

The spelling of 896901689 in words is "eight hundred ninety-six million, nine hundred one thousand, six hundred eighty-nine".