854489 has 4 divisors (see below), whose sum is σ = 864180. Its totient is φ = 844800.

The previous prime is 854479. The next prime is 854527. The reversal of 854489 is 984458.

854489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 444889 = 640^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 854489 - 2¹² = 850393 is a prime.

It is a super-2 number, since 2×854489² = 1460302902242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 854489.

It is not an unprimeable number, because it can be changed into a prime (854419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4712 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (216045).

2⁸⁵⁴⁴⁸⁹ is an apocalyptic number.

854489 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

854489 is a deficient number, since it is larger than the sum of its proper divisors (9691).

854489 is an equidigital number, since it uses as much as digits as its factorization.

854489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9690.

The product of its digits is 46080, while the sum is 38.

The square root of 854489 is about 924.3857419930. The cubic root of 854489 is about 94.8932873778.

The spelling of 854489 in words is "eight hundred fifty-four thousand, four hundred eighty-nine".