4006019 has 2 divisors, whose sum is σ = 4006020. Its totient is φ = 4006018.

The previous prime is 4006007. The next prime is 4006039. The reversal of 4006019 is 9106004.

It is an a-pointer prime, because the next prime (4006039) can be obtained adding 4006019 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4006019 - 2¹⁶ = 3940483 is a prime.

It is a super-2 number, since 2×4006019² = 32096376456722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4006039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003009 + 2003010.

It is an arithmetic number, because the mean of its divisors is an integer number (2003010).

Almost surely, 2^4006019 is an apocalyptic number.

4006019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006019 is an equidigital number, since it uses as much as digits as its factorization.

4006019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4006019 is about 2001.5041843574. The cubic root of 4006019 is about 158.8196866845.

The spelling of 4006019 in words is "four million, six thousand, nineteen".