6643352 has 8 divisors (see below), whose sum is σ = 12456300. Its totient is φ = 3321672.

The previous prime is 6643337. The next prime is 6643361. The reversal of 6643352 is 2533466.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415202 + ... + 415217.

Almost surely, 2^6643352 is an apocalyptic number.

It is an amenable number.

6643352 is a deficient number, since it is larger than the sum of its proper divisors (5812948).

6643352 is a wasteful number, since it uses less digits than its factorization.

6643352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830425 (or 830421 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 6643352 is about 2577.4700774209. The cubic root of 6643352 is about 187.9875501036.

The spelling of 6643352 in words is "six million, six hundred forty-three thousand, three hundred fifty-two".