894966561 has 12 divisors (see below), whose sum is σ = 1293726720. Its totient is φ = 596184120.

The previous prime is 894966539. The next prime is 894966571. The reversal of 894966561 is 165669498.

It is a happy number.

It is not a de Polignac number, because 894966561 - 2¹³ = 894958369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 894966498 and 894966507.

It is not an unprimeable number, because it can be changed into a prime (894966571) 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 11 ways as a sum of consecutive naturals, for example, 25825 + ... + 49566.

It is an arithmetic number, because the mean of its divisors is an integer number (107810560).

Almost surely, 2^894966561 is an apocalyptic number.

It is an amenable number.

894966561 is a deficient number, since it is larger than the sum of its proper divisors (398760159).

894966561 is a wasteful number, since it uses less digits than its factorization.

894966561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76716 (or 76713 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 894966561 is about 29915.9917268340. The cubic root of 894966561 is about 963.6861179881.

The spelling of 894966561 in words is "eight hundred ninety-four million, nine hundred sixty-six thousand, five hundred sixty-one".