6463641 has 8 divisors (see below), whose sum is σ = 8851264. Its totient is φ = 4192560.

The previous prime is 6463637. The next prime is 6463643. The reversal of 6463641 is 1463646.

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

It is not a de Polignac number, because 6463641 - 2² = 6463637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6463599 and 6463608.

It is not an unprimeable number, because it can be changed into a prime (6463643) 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, 29005 + ... + 29226.

It is an arithmetic number, because the mean of its divisors is an integer number (1106408).

Almost surely, 2^6463641 is an apocalyptic number.

It is an amenable number.

6463641 is a deficient number, since it is larger than the sum of its proper divisors (2387623).

6463641 is a wasteful number, since it uses less digits than its factorization.

6463641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58271.

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

The square root of 6463641 is about 2542.3691706753. The cubic root of 6463641 is about 186.2769316790.

The spelling of 6463641 in words is "six million, four hundred sixty-three thousand, six hundred forty-one".