3840219 has 6 divisors (see below), whose sum is σ = 5546996. Its totient is φ = 2560140.

The previous prime is 3840211. The next prime is 3840227. The reversal of 3840219 is 9120483.

It is an interprime number because it is at equal distance from previous prime (3840211) and next prime (3840227).

It is not a de Polignac number, because 3840219 - 2³ = 3840211 is a prime.

It is a super-2 number, since 2×3840219² = 29494563935922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3840192 and 3840201.

It is not an unprimeable number, because it can be changed into a prime (3840211) 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 5 ways as a sum of consecutive naturals, for example, 213337 + ... + 213354.

Almost surely, 2^3840219 is an apocalyptic number.

3840219 is a deficient number, since it is larger than the sum of its proper divisors (1706777).

3840219 is a wasteful number, since it uses less digits than its factorization.

3840219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426697 (or 426694 counting only the distinct ones).

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

The square root of 3840219 is about 1959.6476724146. The cubic root of 3840219 is about 156.5976825208.

The spelling of 3840219 in words is "three million, eight hundred forty thousand, two hundred nineteen".