894466991 has 16 divisors (see below), whose sum is σ = 984096000. Its totient is φ = 806256000.

The previous prime is 894466967. The next prime is 894466997. The reversal of 894466991 is 199664498.

It is not a de Polignac number, because 894466991 - 2¹⁰ = 894465967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894466997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877280 + ... + 878298.

It is an arithmetic number, because the mean of its divisors is an integer number (61506000).

Almost surely, 2^894466991 is an apocalyptic number.

894466991 is a deficient number, since it is larger than the sum of its proper divisors (89629009).

894466991 is a wasteful number, since it uses less digits than its factorization.

894466991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its digits is 3359232, while the sum is 56.

The square root of 894466991 is about 29907.6410136273. The cubic root of 894466991 is about 963.5067748705.

The spelling of 894466991 in words is "eight hundred ninety-four million, four hundred sixty-six thousand, nine hundred ninety-one".