6649336 has 8 divisors (see below), whose sum is σ = 12467520. Its totient is φ = 3324664.

The previous prime is 6649333. The next prime is 6649337. The reversal of 6649336 is 6339466.

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

It is a junction number, because it is equal to n+sod(n) for n = 6649295 and 6649304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415576 + ... + 415591.

It is an arithmetic number, because the mean of its divisors is an integer number (1558440).

Almost surely, 2^6649336 is an apocalyptic number.

It is an amenable number.

6649336 is a deficient number, since it is larger than the sum of its proper divisors (5818184).

6649336 is a wasteful number, since it uses less digits than its factorization.

6649336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831173 (or 831169 counting only the distinct ones).

The product of its digits is 69984, while the sum is 37.

The square root of 6649336 is about 2578.6306443537. The cubic root of 6649336 is about 188.0439764333.

It can be divided in two parts, 664 and 9336, that added together give a 4-th power (10000 = 10⁴).

The spelling of 6649336 in words is "six million, six hundred forty-nine thousand, three hundred thirty-six".