654708 has 12 divisors (see below), whose sum is σ = 1527680. Its totient is φ = 218232.

The previous prime is 654701. The next prime is 654727. The reversal of 654708 is 807456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654708.

It is not an unprimeable number, because it can be changed into a prime (654701) by changing a digit.

654708 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27268 + ... + 27291.

2⁶⁵⁴⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

654708 is an abundant number, since it is smaller than the sum of its proper divisors (872972).

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

654708 is a wasteful number, since it uses less digits than its factorization.

654708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54566 (or 54564 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 654708 is about 809.1402844995. The cubic root of 654708 is about 86.8325488300.

The spelling of 654708 in words is "six hundred fifty-four thousand, seven hundred eight".