894709081 has 6 divisors (see below), whose sum is σ = 1040784090. Its totient is φ = 766893456.

The previous prime is 894709063. The next prime is 894709087. The reversal of 894709081 is 180907498.

It is a happy number.

894709081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 864360000 + 30349081 = 29400^2 + 5509^2 .

It is not a de Polignac number, because 894709081 - 2¹⁹ = 894184793 is a prime.

It is a super-2 number, since 2×894709081² = 1601008679247729122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894709087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9129636 + ... + 9129733.

It is an arithmetic number, because the mean of its divisors is an integer number (173464015).

Almost surely, 2^894709081 is an apocalyptic number.

It is an amenable number.

894709081 is a deficient number, since it is larger than the sum of its proper divisors (146075009).

894709081 is a wasteful number, since it uses less digits than its factorization.

894709081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18259383 (or 18259376 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 894709081 is about 29911.6880332756. The cubic root of 894709081 is about 963.5936922999.

The spelling of 894709081 in words is "eight hundred ninety-four million, seven hundred nine thousand, eighty-one".