3881975 has 12 divisors (see below), whose sum is σ = 4969920. Its totient is φ = 3004800.

The previous prime is 3881959. The next prime is 3881987. The reversal of 3881975 is 5791883.

It is a happy number.

It is not a de Polignac number, because 3881975 - 2⁴ = 3881959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1730 + ... + 3279.

It is an arithmetic number, because the mean of its divisors is an integer number (414160).

Almost surely, 2^3881975 is an apocalyptic number.

3881975 is a deficient number, since it is larger than the sum of its proper divisors (1087945).

3881975 is a wasteful number, since it uses less digits than its factorization.

3881975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5045 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 3881975 is about 1970.2728237480. The cubic root of 3881975 is about 157.1632175508.

The spelling of 3881975 in words is "three million, eight hundred eighty-one thousand, nine hundred seventy-five".