3871004 has 6 divisors (see below), whose sum is σ = 6774264. Its totient is φ = 1935500.

The previous prime is 3870983. The next prime is 3871009. The reversal of 3871004 is 4001783.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483872 + ... + 483879.

It is an arithmetic number, because the mean of its divisors is an integer number (1129044).

Almost surely, 2^3871004 is an apocalyptic number.

It is an amenable number.

3871004 is a deficient number, since it is larger than the sum of its proper divisors (2903260).

3871004 is a wasteful number, since it uses less digits than its factorization.

3871004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967755 (or 967753 counting only the distinct ones).

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

The square root of 3871004 is about 1967.4867216833. The cubic root of 3871004 is about 157.0150228366.

Adding to 3871004 its reverse (4001783), we get a palindrome (7872787).

The spelling of 3871004 in words is "three million, eight hundred seventy-one thousand, four".