3898243 has 2 divisors, whose sum is σ = 3898244. Its totient is φ = 3898242.

The previous prime is 3898207. The next prime is 3898291. The reversal of 3898243 is 3428983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3898243 - 2²¹ = 1801091 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3898043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949121 + 1949122.

It is an arithmetic number, because the mean of its divisors is an integer number (1949122).

Almost surely, 2^3898243 is an apocalyptic number.

3898243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898243 is an equidigital number, since it uses as much as digits as its factorization.

3898243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 3898243 is about 1974.3968699327. The cubic root of 3898243 is about 157.3824502918.

The spelling of 3898243 in words is "three million, eight hundred ninety-eight thousand, two hundred forty-three".