3885131 has 4 divisors (see below), whose sum is σ = 3905664. Its totient is φ = 3864600.

The previous prime is 3885127. The next prime is 3885149. The reversal of 3885131 is 1315883.

3885131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315883 = 19 ⋅69257.

It is a cyclic number.

It is not a de Polignac number, because 3885131 - 2² = 3885127 is a prime.

It is a super-2 number, since 2×3885131² = 30188485774322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3885094 and 3885103.

It is not an unprimeable number, because it can be changed into a prime (3885121) 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 3 ways as a sum of consecutive naturals, for example, 9980 + ... + 10361.

It is an arithmetic number, because the mean of its divisors is an integer number (976416).

Almost surely, 2^3885131 is an apocalyptic number.

3885131 is a deficient number, since it is larger than the sum of its proper divisors (20533).

3885131 is a wasteful number, since it uses less digits than its factorization.

3885131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20532.

The product of its digits is 2880, while the sum is 29.

The square root of 3885131 is about 1971.0735653445. The cubic root of 3885131 is about 157.2057966297.

The spelling of 3885131 in words is "three million, eight hundred eighty-five thousand, one hundred thirty-one".