6643462 has 8 divisors (see below), whose sum is σ = 11388816. Its totient is φ = 2847192.

The previous prime is 6643453. The next prime is 6643487. The reversal of 6643462 is 2643466.

6643462 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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

6643462 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237253 + ... + 237280.

It is an arithmetic number, because the mean of its divisors is an integer number (1423602).

Almost surely, 2^6643462 is an apocalyptic number.

6643462 is a deficient number, since it is larger than the sum of its proper divisors (4745354).

6643462 is a wasteful number, since it uses less digits than its factorization.

6643462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474542.

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

The square root of 6643462 is about 2577.4914160866. The cubic root of 6643462 is about 187.9885876579.

The spelling of 6643462 in words is "six million, six hundred forty-three thousand, four hundred sixty-two".