630206 has 4 divisors (see below), whose sum is σ = 945312. Its totient is φ = 315102.

The previous prime is 630197. The next prime is 630229. The reversal of 630206 is 602036.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 157550 + ... + 157553.

It is an arithmetic number, because the mean of its divisors is an integer number (236328).

2⁶³⁰²⁰⁶ is an apocalyptic number.

630206 is a deficient number, since it is larger than the sum of its proper divisors (315106).

630206 is a wasteful number, since it uses less digits than its factorization.

630206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315105.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 630206 is about 793.8551505155. The cubic root of 630206 is about 85.7355315059.

The spelling of 630206 in words is "six hundred thirty thousand, two hundred six".