654894 has 12 divisors (see below), whose sum is σ = 1418976. Its totient is φ = 218292.

The previous prime is 654889. The next prime is 654917. The reversal of 654894 is 498456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18174 + ... + 18209.

It is an arithmetic number, because the mean of its divisors is an integer number (118248).

2⁶⁵⁴⁸⁹⁴ is an apocalyptic number.

654894 is an abundant number, since it is smaller than the sum of its proper divisors (764082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654894 is a wasteful number, since it uses less digits than its factorization.

654894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36391 (or 36388 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 654894 is about 809.2552131435. The cubic root of 654894 is about 86.8407709814.

The spelling of 654894 in words is "six hundred fifty-four thousand, eight hundred ninety-four".