654448 has 10 divisors (see below), whose sum is σ = 1268024. Its totient is φ = 327216.

The previous prime is 654439. The next prime is 654491. The reversal of 654448 is 844456.

It is a congruent number.

It is an unprimeable number.

654448 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 20436 + ... + 20467.

2⁶⁵⁴⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

654448 is a deficient number, since it is larger than the sum of its proper divisors (613576).

654448 is a wasteful number, since it uses less digits than its factorization.

654448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40911 (or 40905 counting only the distinct ones).

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

The square root of 654448 is about 808.9796041928. The cubic root of 654448 is about 86.8210528899.

The spelling of 654448 in words is "six hundred fifty-four thousand, four hundred forty-eight".