6820017 has 16 divisors (see below), whose sum is σ = 9474240. Its totient is φ = 4358592.

The previous prime is 6820013. The next prime is 6820019. The reversal of 6820017 is 7100286.

6820017 = 314² + 315² + ... + 371².

It is not a de Polignac number, because 6820017 - 2² = 6820013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6820013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23958 + ... + 24240.

It is an arithmetic number, because the mean of its divisors is an integer number (592140).

Almost surely, 2^6820017 is an apocalyptic number.

It is an amenable number.

6820017 is a deficient number, since it is larger than the sum of its proper divisors (2654223).

6820017 is a wasteful number, since it uses less digits than its factorization.

6820017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 6820017 is about 2611.5162262563. The cubic root of 6820017 is about 189.6393620763.

The spelling of 6820017 in words is "six million, eight hundred twenty thousand, seventeen".