655206 has 8 divisors (see below), whose sum is σ = 1310424. Its totient is φ = 218400.

The previous prime is 655181. The next prime is 655211. The reversal of 655206 is 602556.

It is a sphenic number, since it is the product of 3 distinct primes.

655206 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54595 + ... + 54606.

It is an arithmetic number, because the mean of its divisors is an integer number (163803).

2⁶⁵⁵²⁰⁶ is an apocalyptic number.

655206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

655206 is a wasteful number, since it uses less digits than its factorization.

655206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109206.

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

The square root of 655206 is about 809.4479600320. The cubic root of 655206 is about 86.8545594820.

Subtracting from 655206 its reverse (602556), we obtain a triangular number (52650 = T₃₂₄).

It can be divided in two parts, 655 and 206, that added together give a triangular number (861 = T₄₁).

The spelling of 655206 in words is "six hundred fifty-five thousand, two hundred six".