6820606 has 8 divisors (see below), whose sum is σ = 11017944. Its totient is φ = 3147960.

The previous prime is 6820579. The next prime is 6820607. The reversal of 6820606 is 6060286.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131140 + ... + 131191.

It is an arithmetic number, because the mean of its divisors is an integer number (1377243).

Almost surely, 2^6820606 is an apocalyptic number.

6820606 is a deficient number, since it is larger than the sum of its proper divisors (4197338).

6820606 is a wasteful number, since it uses less digits than its factorization.

6820606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262346.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6820606 is about 2611.6289935594. The cubic root of 6820606 is about 189.6448212206.

The spelling of 6820606 in words is "six million, eight hundred twenty thousand, six hundred six".