6443662 has 8 divisors (see below), whose sum is σ = 9693936. Its totient is φ = 3212352.

The previous prime is 6443639. The next prime is 6443677. The reversal of 6443662 is 2663446.

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

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, 3858 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1211742).

Almost surely, 2^6443662 is an apocalyptic number.

6443662 is a deficient number, since it is larger than the sum of its proper divisors (3250274).

6443662 is a wasteful number, since it uses less digits than its factorization.

6443662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482.

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

The square root of 6443662 is about 2538.4369206265. The cubic root of 6443662 is about 186.0848073582.

The spelling of 6443662 in words is "six million, four hundred forty-three thousand, six hundred sixty-two".