3781852 has 6 divisors (see below), whose sum is σ = 6618248. Its totient is φ = 1890924.

The previous prime is 3781849. The next prime is 3781853. The reversal of 3781852 is 2581873.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472728 + ... + 472735.

Almost surely, 2^3781852 is an apocalyptic number.

It is an amenable number.

3781852 is a deficient number, since it is larger than the sum of its proper divisors (2836396).

3781852 is a wasteful number, since it uses less digits than its factorization.

3781852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945467 (or 945465 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 3781852 is about 1944.6984342052. The cubic root of 3781852 is about 155.8002593756.

The spelling of 3781852 in words is "three million, seven hundred eighty-one thousand, eight hundred fifty-two".