3938256 has 60 divisors (see below), whose sum is σ = 12599392. Its totient is φ = 1124928.

The previous prime is 3938251. The next prime is 3938257. The reversal of 3938256 is 6528393.

3938256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3938256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938251) 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 in 11 ways as a sum of consecutive naturals, for example, 946 + ... + 2961.

Almost surely, 2^3938256 is an apocalyptic number.

3938256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3938256 is an abundant number, since it is smaller than the sum of its proper divisors (8661136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3938256 is a wasteful number, since it uses less digits than its factorization.

3938256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3919 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3938256 is about 1984.5039682500. The cubic root of 3938256 is about 157.9190954700.

It can be divided in two parts, 393 and 8256, that added together give a square (8649 = 93²).

The spelling of 3938256 in words is "three million, nine hundred thirty-eight thousand, two hundred fifty-six".