655260 has 48 divisors (see below), whose sum is σ = 1873536. Its totient is φ = 171072.

The previous prime is 655243. The next prime is 655261. The reversal of 655260 is 62556.

655260 = T₃₅₇ + T₃₅₈ + ... + T₃₆₆.

It is a self number, because there is not a number n which added to its sum of digits gives 655260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3939 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (39032).

2⁶⁵⁵²⁶⁰ is an apocalyptic number.

655260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936768).

655260 is an abundant number, since it is smaller than the sum of its proper divisors (1218276).

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

655260 is a wasteful number, since it uses less digits than its factorization.

655260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 655260 is about 809.4813154113. The cubic root of 655260 is about 86.8569455089.

Subtracting from 655260 its reverse (62556), we obtain a cube (592704 = 84³).

The spelling of 655260 in words is "six hundred fifty-five thousand, two hundred sixty".