3998419 has 2 divisors, whose sum is σ = 3998420. Its totient is φ = 3998418.

The previous prime is 3998413. The next prime is 3998459. The reversal of 3998419 is 9148993.

3998419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3998419 - 2²¹ = 1901267 is a prime.

It is a super-2 number, since 2×3998419² = 31974708999122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3998413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999209 + 1999210.

It is an arithmetic number, because the mean of its divisors is an integer number (1999210).

Almost surely, 2^3998419 is an apocalyptic number.

3998419 is a deficient number, since it is larger than the sum of its proper divisors (1).

3998419 is an equidigital number, since it uses as much as digits as its factorization.

3998419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 3998419 is about 1999.6047109366. The cubic root of 3998419 is about 158.7191884319.

The spelling of 3998419 in words is "three million, nine hundred ninety-eight thousand, four hundred nineteen".