4812649 has 4 divisors (see below), whose sum is σ = 5095764. Its totient is φ = 4529536.

The previous prime is 4812641. The next prime is 4812653. The reversal of 4812649 is 9462184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2941225 + 1871424 = 1715^2 + 1368^2 .

It is a cyclic number.

It is not a de Polignac number, because 4812649 - 2³ = 4812641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4812641) 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, 141532 + ... + 141565.

It is an arithmetic number, because the mean of its divisors is an integer number (1273941).

Almost surely, 2^4812649 is an apocalyptic number.

It is an amenable number.

4812649 is a deficient number, since it is larger than the sum of its proper divisors (283115).

4812649 is a wasteful number, since it uses less digits than its factorization.

4812649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283114.

The product of its digits is 13824, while the sum is 34.

The square root of 4812649 is about 2193.7750568370. The cubic root of 4812649 is about 168.8345778127.

The spelling of 4812649 in words is "four million, eight hundred twelve thousand, six hundred forty-nine".