3661041 has 4 divisors (see below), whose sum is σ = 4881392. Its totient is φ = 2440692.

The previous prime is 3661019. The next prime is 3661043. The reversal of 3661041 is 1401663.

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.

It is not a de Polignac number, because 3661041 - 2⁷ = 3660913 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3660999 and 3661017.

It is not an unprimeable number, because it can be changed into a prime (3661043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610171 + ... + 610176.

It is an arithmetic number, because the mean of its divisors is an integer number (1220348).

Almost surely, 2^3661041 is an apocalyptic number.

It is an amenable number.

3661041 is a deficient number, since it is larger than the sum of its proper divisors (1220351).

3661041 is a wasteful number, since it uses less digits than its factorization.

3661041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220350.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3661041 is about 1913.3846973361. The cubic root of 3661041 is about 154.1232638796.

The spelling of 3661041 in words is "three million, six hundred sixty-one thousand, forty-one".