6649467 has 8 divisors (see below), whose sum is σ = 9672000. Its totient is φ = 4029960.

The previous prime is 6649453. The next prime is 6649481. The reversal of 6649467 is 7649466.

It is an interprime number because it is at equal distance from previous prime (6649453) and next prime (6649481).

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

It is not a de Polignac number, because 6649467 - 2⁶ = 6649403 is a prime.

It is a super-2 number, since 2×6649467² = 88430822768178, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6649417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100717 + ... + 100782.

It is an arithmetic number, because the mean of its divisors is an integer number (1209000).

Almost surely, 2^6649467 is an apocalyptic number.

6649467 is a deficient number, since it is larger than the sum of its proper divisors (3022533).

6649467 is a wasteful number, since it uses less digits than its factorization.

6649467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201513.

The product of its digits is 217728, while the sum is 42.

The square root of 6649467 is about 2578.6560453073. The cubic root of 6649467 is about 188.0452113235.

Subtracting 6649467 from its reverse (7649466), we obtain a palindrome (999999).

The spelling of 6649467 in words is "six million, six hundred forty-nine thousand, four hundred sixty-seven".