6649363 has 16 divisors (see below), whose sum is σ = 8169984. Its totient is φ = 5281920.

The previous prime is 6649337. The next prime is 6649367. The reversal of 6649363 is 3639466.

It is not a de Polignac number, because 6649363 - 2²¹ = 4552211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6649367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8056 + ... + 8842.

It is an arithmetic number, because the mean of its divisors is an integer number (510624).

Almost surely, 2^6649363 is an apocalyptic number.

6649363 is a deficient number, since it is larger than the sum of its proper divisors (1520621).

6649363 is a wasteful number, since it uses less digits than its factorization.

6649363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882.

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

The square root of 6649363 is about 2578.6358796852. The cubic root of 6649363 is about 188.0442309540.

The spelling of 6649363 in words is "six million, six hundred forty-nine thousand, three hundred sixty-three".