4644249 has 4 divisors (see below), whose sum is σ = 6192336. Its totient is φ = 3096164.

The previous prime is 4644221. The next prime is 4644251. The reversal of 4644249 is 9424464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4644249 - 2⁸ = 4643993 is a prime.

It is a D-number.

4644249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4644209) 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, 774039 + ... + 774044.

It is an arithmetic number, because the mean of its divisors is an integer number (1548084).

Almost surely, 2^4644249 is an apocalyptic number.

It is an amenable number.

4644249 is a deficient number, since it is larger than the sum of its proper divisors (1548087).

4644249 is a wasteful number, since it uses less digits than its factorization.

4644249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548086.

The product of its digits is 27648, while the sum is 33.

The square root of 4644249 is about 2155.0519715311. The cubic root of 4644249 is about 166.8419147751.

The spelling of 4644249 in words is "four million, six hundred forty-four thousand, two hundred forty-nine".