655004 has 24 divisors (see below), whose sum is σ = 1327200. Its totient is φ = 277056.

The previous prime is 655003. The next prime is 655013. The reversal of 655004 is 400556.

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 655004.

It is not an unprimeable number, because it can be changed into a prime (655001) 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 in 7 ways as a sum of consecutive naturals, for example, 4094 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (55300).

2⁶⁵⁵⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

655004 is an abundant number, since it is smaller than the sum of its proper divisors (672196).

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

655004 is a wasteful number, since it uses less digits than its factorization.

655004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 655004 is about 809.3231740164. The cubic root of 655004 is about 86.8456328115.

The spelling of 655004 in words is "six hundred fifty-five thousand, four".