894704641 has 4 divisors (see below), whose sum is σ = 894764500. Its totient is φ = 894644784.

The previous prime is 894704633. The next prime is 894704647. The reversal of 894704641 is 146407498.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 146407498 = 2 ⋅73203749.

It can be written as a sum of positive squares in 2 ways, for example, as 881852416 + 12852225 = 29696^2 + 3585^2 .

It is a cyclic number.

It is not a de Polignac number, because 894704641 - 2³ = 894704633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894704647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13435 + ... + 44383.

It is an arithmetic number, because the mean of its divisors is an integer number (223691125).

Almost surely, 2^894704641 is an apocalyptic number.

It is an amenable number.

894704641 is a deficient number, since it is larger than the sum of its proper divisors (59859).

894704641 is a wasteful number, since it uses less digits than its factorization.

894704641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59858.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 894704641 is about 29911.6138147041. The cubic root of 894704641 is about 963.5920983505.

The spelling of 894704641 in words is "eight hundred ninety-four million, seven hundred four thousand, six hundred forty-one".