654068 has 6 divisors (see below), whose sum is σ = 1144626. Its totient is φ = 327032.

The previous prime is 654067. The next prime is 654089. The reversal of 654068 is 860456.

It can be written as a sum of positive squares in only one way, i.e., 620944 + 33124 = 788^2 + 182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 654068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654067) by changing a digit.

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 as a sum of consecutive naturals, namely, 81755 + ... + 81762.

It is an arithmetic number, because the mean of its divisors is an integer number (190771).

2⁶⁵⁴⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

654068 is a deficient number, since it is larger than the sum of its proper divisors (490558).

654068 is a wasteful number, since it uses less digits than its factorization.

654068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163521 (or 163519 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 654068 is about 808.7447063196. The cubic root of 654068 is about 86.8042456530.

The spelling of 654068 in words is "six hundred fifty-four thousand, sixty-eight".