894456971 has 4 divisors (see below), whose sum is σ = 900985992. Its totient is φ = 887927952.

The previous prime is 894456929. The next prime is 894457007. The reversal of 894456971 is 179654498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894456971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894456911) 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 in 3 ways as a sum of consecutive naturals, for example, 3264305 + ... + 3264578.

It is an arithmetic number, because the mean of its divisors is an integer number (225246498).

Almost surely, 2^894456971 is an apocalyptic number.

894456971 is a deficient number, since it is larger than the sum of its proper divisors (6529021).

894456971 is a wasteful number, since it uses less digits than its factorization.

894456971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529020.

The product of its digits is 2177280, while the sum is 53.

The square root of 894456971 is about 29907.4734974387. The cubic root of 894456971 is about 963.5031770579.

The spelling of 894456971 in words is "eight hundred ninety-four million, four hundred fifty-six thousand, nine hundred seventy-one".