655748 has 12 divisors (see below), whose sum is σ = 1187340. Its totient is φ = 316512.

The previous prime is 655727. The next prime is 655757. The reversal of 655748 is 847556.

It can be written as a sum of positive squares in 2 ways, for example, as 432964 + 222784 = 658^2 + 472^2 .

It is an unprimeable number.

655748 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711 + ... + 2942.

It is an arithmetic number, because the mean of its divisors is an integer number (98945).

2⁶⁵⁵⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

655748 is a deficient number, since it is larger than the sum of its proper divisors (531592).

655748 is a wasteful number, since it uses less digits than its factorization.

655748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5684 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 655748 is about 809.7826868982. The cubic root of 655748 is about 86.8785021793.

The spelling of 655748 in words is "six hundred fifty-five thousand, seven hundred forty-eight".