3888261 has 24 divisors (see below), whose sum is σ = 6115200. Its totient is φ = 2366496.

The previous prime is 3888253. The next prime is 3888271. The reversal of 3888261 is 1628883.

3888261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3888261 - 2³ = 3888253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888271) 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 23 ways as a sum of consecutive naturals, for example, 19440 + ... + 19638.

It is an arithmetic number, because the mean of its divisors is an integer number (254800).

Almost surely, 2^3888261 is an apocalyptic number.

It is an amenable number.

3888261 is a deficient number, since it is larger than the sum of its proper divisors (2226939).

3888261 is a wasteful number, since it uses less digits than its factorization.

3888261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 382 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 3888261 is about 1971.8673890503. The cubic root of 3888261 is about 157.2480021618.

It can be divided in two parts, 388 and 8261, that added together give a square (8649 = 93²).

The spelling of 3888261 in words is "three million, eight hundred eighty-eight thousand, two hundred sixty-one".