3811604 has 12 divisors (see below), whose sum is σ = 7062804. Its totient is φ = 1793664.

The previous prime is 3811589. The next prime is 3811627. The reversal of 3811604 is 4061183.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 643204 = 1780^2 + 802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3811604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27959 + ... + 28094.

It is an arithmetic number, because the mean of its divisors is an integer number (588567).

Almost surely, 2^3811604 is an apocalyptic number.

3811604 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3811604 is a deficient number, since it is larger than the sum of its proper divisors (3251200).

3811604 is a wasteful number, since it uses less digits than its factorization.

3811604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56074 (or 56072 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3811604 is about 1952.3329634056. The cubic root of 3811604 is about 156.2077551928.

Adding to 3811604 its reverse (4061183), we get a palindrome (7872787).

The spelling of 3811604 in words is "three million, eight hundred eleven thousand, six hundred four".