6466243 has 8 divisors (see below), whose sum is σ = 7711488. Its totient is φ = 5301384.

The previous prime is 6466241. The next prime is 6466247. The reversal of 6466243 is 3426646.

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 6466243 - 2¹ = 6466241 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6466241) 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, 19921 + ... + 20242.

It is an arithmetic number, because the mean of its divisors is an integer number (963936).

Almost surely, 2^6466243 is an apocalyptic number.

6466243 is a deficient number, since it is larger than the sum of its proper divisors (1245245).

6466243 is a wasteful number, since it uses less digits than its factorization.

6466243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40193.

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

The square root of 6466243 is about 2542.8808465990. The cubic root of 6466243 is about 186.3019241743.

It can be divided in two parts, 646 and 6243, that added together give a square (6889 = 83²).

The spelling of 6466243 in words is "six million, four hundred sixty-six thousand, two hundred forty-three".