4919803 has 16 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 3931200.

The previous prime is 4919791. The next prime is 4919813. The reversal of 4919803 is 3089194.

It is not a de Polignac number, because 4919803 - 2¹⁷ = 4788731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4919813) 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 15 ways as a sum of consecutive naturals, for example, 9183 + ... + 9703.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

Almost surely, 2^4919803 is an apocalyptic number.

4919803 is a deficient number, since it is larger than the sum of its proper divisors (1093637).

4919803 is a wasteful number, since it uses less digits than its factorization.

4919803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4919803 is about 2218.0628936078. The cubic root of 4919803 is about 170.0784297853.

Subtracting from 4919803 its reverse (3089194), we obtain a square (1830609 = 1353²).

The spelling of 4919803 in words is "four million, nine hundred nineteen thousand, eight hundred three".