3965219 has 2 divisors, whose sum is σ = 3965220. Its totient is φ = 3965218.

The previous prime is 3965197. The next prime is 3965231. The reversal of 3965219 is 9125693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3965219 - 2⁸ = 3964963 is a prime.

It is a super-2 number, since 2×3965219² = 31445923435922, which contains 22 as substring.

It is a Chen prime.

It is equal to p₂₈₀₈₉₈ and since 3965219 and 280898 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3965419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982609 + 1982610.

It is an arithmetic number, because the mean of its divisors is an integer number (1982610).

Almost surely, 2^3965219 is an apocalyptic number.

3965219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965219 is an equidigital number, since it uses as much as digits as its factorization.

3965219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 3965219 is about 1991.2857655294. The cubic root of 3965219 is about 158.2786702038.

The spelling of 3965219 in words is "three million, nine hundred sixty-five thousand, two hundred nineteen".