655244 has 6 divisors (see below), whose sum is σ = 1146684. Its totient is φ = 327620.

The previous prime is 655243. The next prime is 655261. The reversal of 655244 is 442556.

It is not an unprimeable number, because it can be changed into a prime (655241) 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, 81902 + ... + 81909.

It is an arithmetic number, because the mean of its divisors is an integer number (191114).

2⁶⁵⁵²⁴⁴ is an apocalyptic number.

It is an amenable number.

655244 is a deficient number, since it is larger than the sum of its proper divisors (491440).

655244 is a wasteful number, since it uses less digits than its factorization.

655244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163815 (or 163813 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 655244 is about 809.4714324792. The cubic root of 655244 is about 86.8562385516.

The spelling of 655244 in words is "six hundred fifty-five thousand, two hundred forty-four".