3691241 has 4 divisors (see below), whose sum is σ = 3695184. Its totient is φ = 3687300.

The previous prime is 3691223. The next prime is 3691253. The reversal of 3691241 is 1421963.

3691241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3691241 - 2¹⁴ = 3674857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3691241.

It is not an unprimeable number, because it can be changed into a prime (3691841) 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, 326 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (923796).

Almost surely, 2^3691241 is an apocalyptic number.

It is an amenable number.

3691241 is a deficient number, since it is larger than the sum of its proper divisors (3943).

3691241 is a wasteful number, since it uses less digits than its factorization.

3691241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942.

The product of its digits is 1296, while the sum is 26.

The square root of 3691241 is about 1921.2602634729. The cubic root of 3691241 is about 154.5458925331.

The spelling of 3691241 in words is "three million, six hundred ninety-one thousand, two hundred forty-one".