3549581 has 8 divisors (see below), whose sum is σ = 4143360. Its totient is φ = 2977488.

The previous prime is 3549547. The next prime is 3549619. The reversal of 3549581 is 1859453.

3549581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3549581 - 2⁶ = 3549517 is a prime.

It is a super-2 number, since 2×3549581² = 25199050551122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549881) 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 7 ways as a sum of consecutive naturals, for example, 5066 + ... + 5723.

It is an arithmetic number, because the mean of its divisors is an integer number (517920).

Almost surely, 2^3549581 is an apocalyptic number.

It is an amenable number.

3549581 is a deficient number, since it is larger than the sum of its proper divisors (593779).

3549581 is a wasteful number, since it uses less digits than its factorization.

3549581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843.

The product of its digits is 21600, while the sum is 35.

The square root of 3549581 is about 1884.0331738056. The cubic root of 3549581 is about 152.5430282597.

The spelling of 3549581 in words is "three million, five hundred forty-nine thousand, five hundred eighty-one".