3781004 has 12 divisors (see below), whose sum is σ = 7006104. Its totient is φ = 1779264.

The previous prime is 3780989. The next prime is 3781007. The reversal of 3781004 is 4001873.

It is a happy number.

3781004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3781007) 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, 27734 + ... + 27869.

It is an arithmetic number, because the mean of its divisors is an integer number (583842).

Almost surely, 2^3781004 is an apocalyptic number.

3781004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3781004 is a deficient number, since it is larger than the sum of its proper divisors (3225100).

3781004 is a wasteful number, since it uses less digits than its factorization.

3781004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55624 (or 55622 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3781004 is about 1944.4803933185. The cubic root of 3781004 is about 155.7886135386.

Adding to 3781004 its reverse (4001873), we get a palindrome (7782877).

The spelling of 3781004 in words is "three million, seven hundred eighty-one thousand, four".