894864917 has 2 divisors, whose sum is σ = 894864918. Its totient is φ = 894864916.

The previous prime is 894864889. The next prime is 894864923. The reversal of 894864917 is 719468498.

894864917 is digitally balanced in base 2, 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., 661569841 + 233295076 = 25721^2 + 15274^2 .

It is a cyclic number.

It is not a de Polignac number, because 894864917 - 2²⁴ = 878087701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894864317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447432458 + 447432459.

It is an arithmetic number, because the mean of its divisors is an integer number (447432459).

Almost surely, 2^894864917 is an apocalyptic number.

It is an amenable number.

894864917 is a deficient number, since it is larger than the sum of its proper divisors (1).

894864917 is an equidigital number, since it uses as much as digits as its factorization.

894864917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 56.

The square root of 894864917 is about 29914.2928547542. The cubic root of 894864917 is about 963.6496337124.

The spelling of 894864917 in words is "eight hundred ninety-four million, eight hundred sixty-four thousand, nine hundred seventeen".