3881288 has 8 divisors (see below), whose sum is σ = 7277430. Its totient is φ = 1940640.

The previous prime is 3881249. The next prime is 3881291. The reversal of 3881288 is 8821883.

3881288 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 47524 = 1958^2 + 218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 242573 + ... + 242588.

Almost surely, 2^3881288 is an apocalyptic number.

It is an amenable number.

3881288 is a deficient number, since it is larger than the sum of its proper divisors (3396142).

3881288 is a wasteful number, since it uses less digits than its factorization.

3881288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485167 (or 485163 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 3881288 is about 1970.0984746961. The cubic root of 3881288 is about 157.1539458527.

The spelling of 3881288 in words is "three million, eight hundred eighty-one thousand, two hundred eighty-eight".