3898256 has 20 divisors (see below), whose sum is σ = 7697052. Its totient is φ = 1911936.

The previous prime is 3898243. The next prime is 3898291. The reversal of 3898256 is 6528983.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 2496400 = 1184^2 + 1580^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451 + ... + 3146.

Almost surely, 2^3898256 is an apocalyptic number.

It is an amenable number.

3898256 is a deficient number, since it is larger than the sum of its proper divisors (3798796).

3898256 is a wasteful number, since it uses less digits than its factorization.

3898256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4652 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 3898256 is about 1974.4001620745. The cubic root of 3898256 is about 157.3826252398.

The spelling of 3898256 in words is "three million, eight hundred ninety-eight thousand, two hundred fifty-six".