6810006 has 16 divisors (see below), whose sum is σ = 15565824. Its totient is φ = 1945704.

The previous prime is 6809989. The next prime is 6810019. The reversal of 6810006 is 6000186.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81030 + ... + 81113.

It is an arithmetic number, because the mean of its divisors is an integer number (972864).

Almost surely, 2^6810006 is an apocalyptic number.

6810006 is an abundant number, since it is smaller than the sum of its proper divisors (8755818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6810006 is a wasteful number, since it uses less digits than its factorization.

6810006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162155.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 6810006 is about 2609.5988197422. The cubic root of 6810006 is about 189.5465270522.

The spelling of 6810006 in words is "six million, eight hundred ten thousand, six".