6649486 has 8 divisors (see below), whose sum is σ = 10162584. Its totient is φ = 3261960.

The previous prime is 6649483. The next prime is 6649547. The reversal of 6649486 is 6849466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31260 + ... + 31471.

It is an arithmetic number, because the mean of its divisors is an integer number (1270323).

Almost surely, 2^6649486 is an apocalyptic number.

6649486 is a deficient number, since it is larger than the sum of its proper divisors (3513098).

6649486 is a wasteful number, since it uses less digits than its factorization.

6649486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62786.

The product of its digits is 248832, while the sum is 43.

The square root of 6649486 is about 2578.6597293943. The cubic root of 6649486 is about 188.0453904284.

The spelling of 6649486 in words is "six million, six hundred forty-nine thousand, four hundred eighty-six".