6413646 has 8 divisors (see below), whose sum is σ = 12827304. Its totient is φ = 2137880.

The previous prime is 6413609. The next prime is 6413651. The reversal of 6413646 is 6463146.

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

6413646 is an admirable number.

It is a super-2 number, since 2×6413646² = 82269710026632, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534465 + ... + 534476.

It is an arithmetic number, because the mean of its divisors is an integer number (1603413).

Almost surely, 2^6413646 is an apocalyptic number.

6413646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6413646 is a wasteful number, since it uses less digits than its factorization.

6413646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068946.

The product of its digits is 10368, while the sum is 30.

The square root of 6413646 is about 2532.5177195826. The cubic root of 6413646 is about 185.7954161727.

The spelling of 6413646 in words is "six million, four hundred thirteen thousand, six hundred forty-six".