648206 has 16 divisors (see below), whose sum is σ = 1061424. Its totient is φ = 295104.

The previous prime is 648199. The next prime is 648211. The reversal of 648206 is 602846.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (66339).

2⁶⁴⁸²⁰⁶ is an apocalyptic number.

648206 is a deficient number, since it is larger than the sum of its proper divisors (413218).

648206 is a wasteful number, since it uses less digits than its factorization.

648206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 648206 is about 805.1124145112. The cubic root of 648206 is about 86.5441431053.

The spelling of 648206 in words is "six hundred forty-eight thousand, two hundred six".