3841885 has 4 divisors (see below), whose sum is σ = 4610268. Its totient is φ = 3073504.

The previous prime is 3841883. The next prime is 3841889. The reversal of 3841885 is 5881483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5881483 = 37 ⋅158959.

It can be written as a sum of positive squares in 2 ways, for example, as 1819801 + 2022084 = 1349^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 3841885 - 2¹ = 3841883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3841883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384184 + ... + 384193.

It is an arithmetic number, because the mean of its divisors is an integer number (1152567).

Almost surely, 2^3841885 is an apocalyptic number.

It is an amenable number.

3841885 is a deficient number, since it is larger than the sum of its proper divisors (768383).

3841885 is an equidigital number, since it uses as much as digits as its factorization.

3841885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768382.

The product of its digits is 30720, while the sum is 37.

The square root of 3841885 is about 1960.0727027332. The cubic root of 3841885 is about 156.6203248076.

It can be divided in two parts, 38418 and 85, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 3841885 in words is "three million, eight hundred forty-one thousand, eight hundred eighty-five".