854396489 has 16 divisors (see below), whose sum is σ = 930787200. Its totient is φ = 780989184.

The previous prime is 854396441. The next prime is 854396507. The reversal of 854396489 is 984693458.

It is a happy number.

854396489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854396489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854396419) 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, 526922 + ... + 528540.

It is an arithmetic number, because the mean of its divisors is an integer number (58174200).

Almost surely, 2^854396489 is an apocalyptic number.

It is an amenable number.

854396489 is a deficient number, since it is larger than the sum of its proper divisors (76390711).

854396489 is a wasteful number, since it uses less digits than its factorization.

854396489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its digits is 7464960, while the sum is 56.

The square root of 854396489 is about 29230.0613923406. The cubic root of 854396489 is about 948.8986272293.

The spelling of 854396489 in words is "eight hundred fifty-four million, three hundred ninety-six thousand, four hundred eighty-nine".