4019872 has 12 divisors (see below), whose sum is σ = 7914186. Its totient is φ = 2009920.

The previous prime is 4019867. The next prime is 4019879. The reversal of 4019872 is 2789104.

4019872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3701776 + 318096 = 1924^2 + 564^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (4019879) 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 as a sum of consecutive naturals, namely, 62779 + ... + 62842.

Almost surely, 2^4019872 is an apocalyptic number.

It is an amenable number.

4019872 is a deficient number, since it is larger than the sum of its proper divisors (3894314).

4019872 is a wasteful number, since it uses less digits than its factorization.

4019872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125631 (or 125623 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4019872 is about 2004.9618450235. The cubic root of 4019872 is about 159.0025446898.

The spelling of 4019872 in words is "four million, nineteen thousand, eight hundred seventy-two".