3696541 has 4 divisors (see below), whose sum is σ = 3721500. Its totient is φ = 3671584.

The previous prime is 3696523. The next prime is 3696551. The reversal of 3696541 is 1456963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1833316 + 1863225 = 1354^2 + 1365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3696541 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3696497 and 3696506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696551) 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, 12256 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (930375).

Almost surely, 2^3696541 is an apocalyptic number.

It is an amenable number.

3696541 is a deficient number, since it is larger than the sum of its proper divisors (24959).

3696541 is a wasteful number, since it uses less digits than its factorization.

3696541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24958.

The product of its digits is 19440, while the sum is 34.

The square root of 3696541 is about 1922.6390716929. The cubic root of 3696541 is about 154.6198244453.

The spelling of 3696541 in words is "three million, six hundred ninety-six thousand, five hundred forty-one".