894040497 has 56 divisors (see below), whose sum is σ = 1612743360. Its totient is φ = 483939360.

The previous prime is 894040481. The next prime is 894040501. The reversal of 894040497 is 794040498.

894040497 is a `hidden beast` number, since 89 + 40 + 40 + 497 = 666.

It is not a de Polignac number, because 894040497 - 2⁴ = 894040481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (894040447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 92347 + ... + 101567.

Almost surely, 2^894040497 is an apocalyptic number.

It is an amenable number.

894040497 is a deficient number, since it is larger than the sum of its proper divisors (718702863).

894040497 is an equidigital number, since it uses as much as digits as its factorization.

894040497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265 (or 9250 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 894040497 is about 29900.5099789285. The cubic root of 894040497 is about 963.3536128227.

Subtracting from 894040497 its reverse (794040498), we obtain a palindrome (99999999).

The spelling of 894040497 in words is "eight hundred ninety-four million, forty thousand, four hundred ninety-seven".