3898238 has 8 divisors (see below), whose sum is σ = 6049080. Its totient is φ = 1881880.

The previous prime is 3898207. The next prime is 3898243. The reversal of 3898238 is 8328983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3898195 and 3898204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33548 + ... + 33663.

It is an arithmetic number, because the mean of its divisors is an integer number (756135).

Almost surely, 2^3898238 is an apocalyptic number.

3898238 is a deficient number, since it is larger than the sum of its proper divisors (2150842).

3898238 is a wasteful number, since it uses less digits than its factorization.

3898238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67242.

The product of its digits is 82944, while the sum is 41.

The square root of 3898238 is about 1974.3956037228. The cubic root of 3898238 is about 157.3823830040.

The spelling of 3898238 in words is "three million, eight hundred ninety-eight thousand, two hundred thirty-eight".