6804129 has 4 divisors (see below), whose sum is σ = 9072176. Its totient is φ = 4536084.

The previous prime is 6804121. The next prime is 6804137. The reversal of 6804129 is 9214086.

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 an interprime number because it is at equal distance from previous prime (6804121) and next prime (6804137).

It is not a de Polignac number, because 6804129 - 2³ = 6804121 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6804096 and 6804105.

It is not an unprimeable number, because it can be changed into a prime (6804121) 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, 1134019 + ... + 1134024.

It is an arithmetic number, because the mean of its divisors is an integer number (2268044).

Almost surely, 2^6804129 is an apocalyptic number.

It is an amenable number.

6804129 is a deficient number, since it is larger than the sum of its proper divisors (2268047).

6804129 is a wasteful number, since it uses less digits than its factorization.

6804129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268046.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 6804129 is about 2608.4725415461. The cubic root of 6804129 is about 189.4919854683.

The spelling of 6804129 in words is "six million, eight hundred four thousand, one hundred twenty-nine".