3898019 has 2 divisors, whose sum is σ = 3898020. Its totient is φ = 3898018.

The previous prime is 3898007. The next prime is 3898031. The reversal of 3898019 is 9108983.

It is a balanced prime because it is at equal distance from previous prime (3898007) and next prime (3898031).

It is a cyclic number.

It is not a de Polignac number, because 3898019 - 2⁴ = 3898003 is a prime.

It is a super-2 number, since 2×3898019² = 30389104248722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3898319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949009 + 1949010.

It is an arithmetic number, because the mean of its divisors is an integer number (1949010).

Almost surely, 2^3898019 is an apocalyptic number.

3898019 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898019 is an equidigital number, since it uses as much as digits as its factorization.

3898019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 3898019 is about 1974.3401429338. The cubic root of 3898019 is about 157.3794357419.

The spelling of 3898019 in words is "three million, eight hundred ninety-eight thousand, nineteen".