4019144 has 8 divisors (see below), whose sum is σ = 7535910. Its totient is φ = 2009568.

The previous prime is 4019131. The next prime is 4019153. The reversal of 4019144 is 4419104.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 743044 = 1810^2 + 862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251189 + ... + 251204.

Almost surely, 2^4019144 is an apocalyptic number.

It is an amenable number.

4019144 is a deficient number, since it is larger than the sum of its proper divisors (3516766).

4019144 is a wasteful number, since it uses less digits than its factorization.

4019144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502399 (or 502395 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4019144 is about 2004.7802872135. The cubic root of 4019144 is about 158.9929456412.

The spelling of 4019144 in words is "four million, nineteen thousand, one hundred forty-four".