6340636 has 12 divisors (see below), whose sum is σ = 11131960. Its totient is φ = 3160080.

The previous prime is 6340597. The next prime is 6340637. The reversal of 6340636 is 6360436.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071 + ... + 3718.

Almost surely, 2^6340636 is an apocalyptic number.

It is an amenable number.

6340636 is a deficient number, since it is larger than the sum of its proper divisors (4791324).

6340636 is a wasteful number, since it uses less digits than its factorization.

6340636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 6340636 is about 2518.0619531695. The cubic root of 6340636 is about 185.0877207562.

The spelling of 6340636 in words is "six million, three hundred forty thousand, six hundred thirty-six".