3868219 has 2 divisors, whose sum is σ = 3868220. Its totient is φ = 3868218.

The previous prime is 3868213. The next prime is 3868243. The reversal of 3868219 is 9128683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3868219 - 2⁵ = 3868187 is a prime.

It is a super-2 number, since 2×3868219² = 29926236463922, which contains 22 as substring.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (3868213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934109 + 1934110.

It is an arithmetic number, because the mean of its divisors is an integer number (1934110).

Almost surely, 2^3868219 is an apocalyptic number.

3868219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868219 is an equidigital number, since it uses as much as digits as its factorization.

3868219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 3868219 is about 1966.7788386090. The cubic root of 3868219 is about 156.9773588999.

Subtracting from 3868219 its product of digits (20736), we obtain a palindrome (3847483).

The spelling of 3868219 in words is "three million, eight hundred sixty-eight thousand, two hundred nineteen".