6648206 has 4 divisors (see below), whose sum is σ = 9972312. Its totient is φ = 3324102.

The previous prime is 6648203. The next prime is 6648251. The reversal of 6648206 is 6028466.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662050 + ... + 1662053.

It is an arithmetic number, because the mean of its divisors is an integer number (2493078).

Almost surely, 2^6648206 is an apocalyptic number.

6648206 is a deficient number, since it is larger than the sum of its proper divisors (3324106).

6648206 is a wasteful number, since it uses less digits than its factorization.

6648206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324105.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6648206 is about 2578.4115265023. The cubic root of 6648206 is about 188.0333236538.

The spelling of 6648206 in words is "six million, six hundred forty-eight thousand, two hundred six".