4813649 has 6 divisors (see below), whose sum is σ = 4974930. Its totient is φ = 4657440.

The previous prime is 4813643. The next prime is 4813651. The reversal of 4813649 is 9463184.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 753424 = 2015^2 + 868^2 .

It is not a de Polignac number, because 4813649 - 2¹⁶ = 4748113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4813643) 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 5 ways as a sum of consecutive naturals, for example, 1544 + ... + 3465.

It is an arithmetic number, because the mean of its divisors is an integer number (829155).

Almost surely, 2^4813649 is an apocalyptic number.

It is an amenable number.

4813649 is a deficient number, since it is larger than the sum of its proper divisors (161281).

4813649 is an equidigital number, since it uses as much as digits as its factorization.

4813649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071 (or 5040 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 4813649 is about 2194.0029626233. The cubic root of 4813649 is about 168.8462708107.

The spelling of 4813649 in words is "four million, eight hundred thirteen thousand, six hundred forty-nine".