6408971 has 8 divisors (see below), whose sum is σ = 6844800. Its totient is φ = 5987520.

The previous prime is 6408953. The next prime is 6408977. The reversal of 6408971 is 1798046.

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 6408971 - 2⁶ = 6408907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6408977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (855600).

Almost surely, 2^6408971 is an apocalyptic number.

6408971 is a deficient number, since it is larger than the sum of its proper divisors (435829).

6408971 is a wasteful number, since it uses less digits than its factorization.

6408971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6408971 is about 2531.5945567962. The cubic root of 6408971 is about 185.7502622046.

The spelling of 6408971 in words is "six million, four hundred eight thousand, nine hundred seventy-one".