3881025 has 36 divisors (see below), whose sum is σ = 7118592. Its totient is φ = 2020320.

The previous prime is 3881021. The next prime is 3881027. The reversal of 3881025 is 5201883.

It is a happy number.

It is not a de Polignac number, because 3881025 - 2² = 3881021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3881025.

It is not an unprimeable number, because it can be changed into a prime (3881021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10392 + ... + 10758.

Almost surely, 2^3881025 is an apocalyptic number.

It is an amenable number.

3881025 is a deficient number, since it is larger than the sum of its proper divisors (3237567).

3881025 is a wasteful number, since it uses less digits than its factorization.

3881025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3881025 is about 1970.0317256329. The cubic root of 3881025 is about 157.1503961357.

The spelling of 3881025 in words is "three million, eight hundred eighty-one thousand, twenty-five".