6820797 has 4 divisors (see below), whose sum is σ = 9094400. Its totient is φ = 4547196.

The previous prime is 6820783. The next prime is 6820817. The reversal of 6820797 is 7970286.

6820797 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6820797 - 2⁶ = 6820733 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820727) 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, 1136797 + ... + 1136802.

It is an arithmetic number, because the mean of its divisors is an integer number (2273600).

Almost surely, 2^6820797 is an apocalyptic number.

It is an amenable number.

6820797 is a deficient number, since it is larger than the sum of its proper divisors (2273603).

6820797 is a wasteful number, since it uses less digits than its factorization.

6820797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273602.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 6820797 is about 2611.6655605188. The cubic root of 6820797 is about 189.6465914358.

The spelling of 6820797 in words is "six million, eight hundred twenty thousand, seven hundred ninety-seven".