889654217 has 8 divisors (see below), whose sum is σ = 942856200. Its totient is φ = 836548864.

The previous prime is 889654201. The next prime is 889654223. The reversal of 889654217 is 712456988.

It can be written as a sum of positive squares in 4 ways, for example, as 249513616 + 640140601 = 15796^2 + 25301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889654217 - 2⁴ = 889654201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889654267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742 + ... + 42447.

It is an arithmetic number, because the mean of its divisors is an integer number (117857025).

Almost surely, 2^889654217 is an apocalyptic number.

It is an amenable number.

889654217 is a deficient number, since it is larger than the sum of its proper divisors (53201983).

889654217 is a wasteful number, since it uses less digits than its factorization.

889654217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48315.

The product of its digits is 967680, while the sum is 50.

The square root of 889654217 is about 29827.0718810949. The cubic root of 889654217 is about 961.7755829143.

The spelling of 889654217 in words is "eight hundred eighty-nine million, six hundred fifty-four thousand, two hundred seventeen".