894636864 has 84 divisors (see below), whose sum is σ = 2797454400. Its totient is φ = 271100160.

The previous prime is 894636857. The next prime is 894636893. The reversal of 894636864 is 468636498.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 894636864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64264 + ... + 76935.

Almost surely, 2^894636864 is an apocalyptic number.

It is an amenable number.

894636864 is an abundant number, since it is smaller than the sum of its proper divisors (1902817536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

894636864 is a wasteful number, since it uses less digits than its factorization.

894636864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141228 (or 141215 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The square root of 894636864 is about 29910.4808386626. The cubic root of 894636864 is about 963.5677659142.

The spelling of 894636864 in words is "eight hundred ninety-four million, six hundred thirty-six thousand, eight hundred sixty-four".