655028 has 12 divisors (see below), whose sum is σ = 1250592. Its totient is φ = 297720.

The previous prime is 655021. The next prime is 655033. The reversal of 655028 is 820556.

It is a junction number, because it is equal to n+sod(n) for n = 654988 and 655006.

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 655028.

It is not an unprimeable number, because it can be changed into a prime (655021) by changing a digit.

655028 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, 7400 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (104216).

2⁶⁵⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

655028 is a deficient number, since it is larger than the sum of its proper divisors (595564).

655028 is a wasteful number, since it uses less digits than its factorization.

655028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902 (or 14900 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 655028 is about 809.3380010848. The cubic root of 655028 is about 86.8466935020.

The spelling of 655028 in words is "six hundred fifty-five thousand, twenty-eight".