894564866 has 8 divisors (see below), whose sum is σ = 1445066364. Its totient is φ = 412876080.

The previous prime is 894564863. The next prime is 894564883. The reversal of 894564866 is 668465498.

It can be written as a sum of positive squares in 2 ways, for example, as 877877641 + 16687225 = 29629^2 + 4085^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (894564863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17203145 + ... + 17203196.

Almost surely, 2^894564866 is an apocalyptic number.

894564866 is a deficient number, since it is larger than the sum of its proper divisors (550501498).

894564866 is a wasteful number, since it uses less digits than its factorization.

894564866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34406356.

The product of its digits is 9953280, while the sum is 56.

The square root of 894564866 is about 29909.2772563966. The cubic root of 894564866 is about 963.5419167621.

The spelling of 894564866 in words is "eight hundred ninety-four million, five hundred sixty-four thousand, eight hundred sixty-six".