4238019 has 6 divisors (see below), whose sum is σ = 6121596. Its totient is φ = 2825340.

The previous prime is 4238011. The next prime is 4238033. The reversal of 4238019 is 9108324.

It is not a de Polignac number, because 4238019 - 2³ = 4238011 is a prime.

It is a super-2 number, since 2×4238019² = 35921610088722, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4237983 and 4238001.

It is not an unprimeable number, because it can be changed into a prime (4238011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235437 + ... + 235454.

It is an arithmetic number, because the mean of its divisors is an integer number (1020266).

Almost surely, 2^4238019 is an apocalyptic number.

4238019 is a deficient number, since it is larger than the sum of its proper divisors (1883577).

4238019 is a wasteful number, since it uses less digits than its factorization.

4238019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470897 (or 470894 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4238019 is about 2058.6449426747. The cubic root of 4238019 is about 161.8282358717.

It can be divided in two parts, 423801 and 9, that multiplied together give a square (3814209 = 1953²).

The spelling of 4238019 in words is "four million, two hundred thirty-eight thousand, nineteen".