6409271 has 8 divisors (see below), whose sum is σ = 7044624. Its totient is φ = 5782720.

The previous prime is 6409267. The next prime is 6409297. The reversal of 6409271 is 1729046.

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

It is a cyclic number.

It is not a de Polignac number, because 6409271 - 2² = 6409267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (880578).

Almost surely, 2^6409271 is an apocalyptic number.

6409271 is a deficient number, since it is larger than the sum of its proper divisors (635353).

6409271 is a wasteful number, since it uses less digits than its factorization.

6409271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6409271 is about 2531.6538072967. The cubic root of 6409271 is about 185.7531604447.

The spelling of 6409271 in words is "six million, four hundred nine thousand, two hundred seventy-one".