3581941 has 4 divisors (see below), whose sum is σ = 3907584. Its totient is φ = 3256300.

The previous prime is 3581927. The next prime is 3581953. The reversal of 3581941 is 1491853.

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 an emirpimes, since its reverse is a distinct semiprime: 1491853 = 11 ⋅135623.

It is a cyclic number.

It is not a de Polignac number, because 3581941 - 2⁹ = 3581429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581911) 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, 162805 + ... + 162826.

It is an arithmetic number, because the mean of its divisors is an integer number (976896).

Almost surely, 2^3581941 is an apocalyptic number.

It is an amenable number.

3581941 is a deficient number, since it is larger than the sum of its proper divisors (325643).

3581941 is a wasteful number, since it uses less digits than its factorization.

3581941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325642.

The product of its digits is 4320, while the sum is 31.

The square root of 3581941 is about 1892.6016485251. The cubic root of 3581941 is about 153.0051830161.

The spelling of 3581941 in words is "three million, five hundred eighty-one thousand, nine hundred forty-one".