654484 has 6 divisors (see below), whose sum is σ = 1145354. Its totient is φ = 327240.

The previous prime is 654439. The next prime is 654491. The reversal of 654484 is 484456.

It can be written as a sum of positive squares in only one way, i.e., 394384 + 260100 = 628^2 + 510^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 81807 + ... + 81814.

2⁶⁵⁴⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

654484 is a deficient number, since it is larger than the sum of its proper divisors (490870).

654484 is a wasteful number, since it uses less digits than its factorization.

654484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163625 (or 163623 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 654484 is about 809.0018541388. The cubic root of 654484 is about 86.8226448170.

The spelling of 654484 in words is "six hundred fifty-four thousand, four hundred eighty-four".