6410643 has 8 divisors (see below), whose sum is σ = 8576256. Its totient is φ = 4259400.

The previous prime is 6410639. The next prime is 6410647. The reversal of 6410643 is 3460146.

It is an interprime number because it is at equal distance from previous prime (6410639) and next prime (6410647).

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

It is not a de Polignac number, because 6410643 - 2² = 6410639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6410647) 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, 2503 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (1072032).

Almost surely, 2^6410643 is an apocalyptic number.

6410643 is a deficient number, since it is larger than the sum of its proper divisors (2165613).

6410643 is a wasteful number, since it uses less digits than its factorization.

6410643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6410643 is about 2531.9247619153. The cubic root of 6410643 is about 185.7664139100.

Adding to 6410643 its reverse (3460146), we get a palindrome (9870789).

The spelling of 6410643 in words is "six million, four hundred ten thousand, six hundred forty-three".