4131604 has 6 divisors (see below), whose sum is σ = 7230314. Its totient is φ = 2065800.

The previous prime is 4131599. The next prime is 4131613. The reversal of 4131604 is 4061314.

It is a happy number.

4131604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 559504 = 1890^2 + 748^2 .

It is a super-2 number, since 2×4131604² = 34140303225632, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 516447 + ... + 516454.

Almost surely, 2^4131604 is an apocalyptic number.

It is an amenable number.

4131604 is a deficient number, since it is larger than the sum of its proper divisors (3098710).

4131604 is a wasteful number, since it uses less digits than its factorization.

4131604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032905 (or 1032903 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4131604 is about 2032.6347433811. The cubic root of 4131604 is about 160.4622569545.

Adding to 4131604 its reverse (4061314), we get a palindrome (8192918).

The spelling of 4131604 in words is "four million, one hundred thirty-one thousand, six hundred four".