3781244 has 12 divisors (see below), whose sum is σ = 6758304. Its totient is φ = 1850304.

The previous prime is 3781243. The next prime is 3781249. The reversal of 3781244 is 4421873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781243) 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 in 3 ways as a sum of consecutive naturals, for example, 9869 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (563192).

Almost surely, 2^3781244 is an apocalyptic number.

It is an amenable number.

3781244 is a deficient number, since it is larger than the sum of its proper divisors (2977060).

3781244 is a wasteful number, since it uses less digits than its factorization.

3781244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20164 (or 20162 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 3781244 is about 1944.5421054840. The cubic root of 3781244 is about 155.7919097068.

The spelling of 3781244 in words is "three million, seven hundred eighty-one thousand, two hundred forty-four".