6406441 has 8 divisors (see below), whose sum is σ = 6589440. Its totient is φ = 6225072.

The previous prime is 6406427. The next prime is 6406447. The reversal of 6406441 is 1446046.

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 6406441 - 2⁷ = 6406313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406447) 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, 16275 + ... + 16663.

It is an arithmetic number, because the mean of its divisors is an integer number (823680).

Almost surely, 2^6406441 is an apocalyptic number.

It is an amenable number.

6406441 is a deficient number, since it is larger than the sum of its proper divisors (182999).

6406441 is a wasteful number, since it uses less digits than its factorization.

6406441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6406441 is about 2531.0948224039. The cubic root of 6406441 is about 185.7258167819.

The spelling of 6406441 in words is "six million, four hundred six thousand, four hundred forty-one".