6264643 has 8 divisors (see below), whose sum is σ = 7810560. Its totient is φ = 4881480.

The previous prime is 6264637. The next prime is 6264673. The reversal of 6264643 is 3464626.

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 6264643 - 2⁵ = 6264611 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 2³ + 6⁸ + 4³ + 6⁸ + 4¹⁰ + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6264613) 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, 40603 + ... + 40756.

It is an arithmetic number, because the mean of its divisors is an integer number (976320).

Almost surely, 2^6264643 is an apocalyptic number.

6264643 is a deficient number, since it is larger than the sum of its proper divisors (1545917).

6264643 is a wasteful number, since it uses less digits than its factorization.

6264643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81377.

The product of its digits is 20736, while the sum is 31.

The square root of 6264643 is about 2502.9268866669. The cubic root of 6264643 is about 184.3453167957.

The spelling of 6264643 in words is "six million, two hundred sixty-four thousand, six hundred forty-three".