3885381 has 16 divisors (see below), whose sum is σ = 5800320. Its totient is φ = 2570400.

The previous prime is 3885379. The next prime is 3885403. The reversal of 3885381 is 1835883.

It is a happy number.

3885381 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 3885381 - 2¹ = 3885379 is a prime.

It is a super-2 number, since 2×3885381² = 30192371030322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885331) 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 15 ways as a sum of consecutive naturals, for example, 3601 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (362520).

Almost surely, 2^3885381 is an apocalyptic number.

It is an amenable number.

3885381 is a deficient number, since it is larger than the sum of its proper divisors (1914939).

3885381 is a wasteful number, since it uses less digits than its factorization.

3885381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1107 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 3885381 is about 1971.1369815414. The cubic root of 3885381 is about 157.2091685113.

The spelling of 3885381 in words is "three million, eight hundred eighty-five thousand, three hundred eighty-one".