3812885 has 4 divisors (see below), whose sum is σ = 4575468. Its totient is φ = 3050304.

The previous prime is 3812843. The next prime is 3812899. The reversal of 3812885 is 5882183.

3812885 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: 5882183 = 811 ⋅7253.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 2067844 = 1321^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 3812885 - 2¹² = 3808789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 381284 + ... + 381293.

It is an arithmetic number, because the mean of its divisors is an integer number (1143867).

Almost surely, 2^3812885 is an apocalyptic number.

It is an amenable number.

3812885 is a deficient number, since it is larger than the sum of its proper divisors (762583).

3812885 is an equidigital number, since it uses as much as digits as its factorization.

3812885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762582.

The product of its digits is 15360, while the sum is 35.

The square root of 3812885 is about 1952.6610048854. The cubic root of 3812885 is about 156.2252526140.

The spelling of 3812885 in words is "three million, eight hundred twelve thousand, eight hundred eighty-five".