4686649 has 8 divisors (see below), whose sum is σ = 5140800. Its totient is φ = 4237200.

The previous prime is 4686637. The next prime is 4686653. The reversal of 4686649 is 9466864.

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

It is not a de Polignac number, because 4686649 - 2⁹ = 4686137 is a prime.

It is a Duffinian number.

4686649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4686349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^4686649 is an apocalyptic number.

It is an amenable number.

4686649 is a deficient number, since it is larger than the sum of its proper divisors (454151).

4686649 is a wasteful number, since it uses less digits than its factorization.

4686649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

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

The square root of 4686649 is about 2164.8669705088. The cubic root of 4686649 is about 167.3481091309.

It can be divided in two parts, 4686 and 649, that added together give a palindrome (5335).

The spelling of 4686649 in words is "four million, six hundred eighty-six thousand, six hundred forty-nine".