854487 has 18 divisors (see below), whose sum is σ = 1307592. Its totient is φ = 537624.

The previous prime is 854479. The next prime is 854527. The reversal of 854487 is 784458.

It is not a de Polignac number, because 854487 - 2³ = 854479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3118 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (72644).

2⁸⁵⁴⁴⁸⁷ is an apocalyptic number.

854487 is a deficient number, since it is larger than the sum of its proper divisors (453105).

854487 is a wasteful number, since it uses less digits than its factorization.

854487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 285 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 854487 is about 924.3846601929. The cubic root of 854487 is about 94.8932133426.

The spelling of 854487 in words is "eight hundred fifty-four thousand, four hundred eighty-seven".