3681141 has 4 divisors (see below), whose sum is σ = 4908192. Its totient is φ = 2454092.

The previous prime is 3681131. The next prime is 3681149. The reversal of 3681141 is 1411863.

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: 1411863 = 3 ⋅470621.

It is a cyclic number.

It is not a de Polignac number, because 3681141 - 2¹⁷ = 3550069 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681149) 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, 613521 + ... + 613526.

It is an arithmetic number, because the mean of its divisors is an integer number (1227048).

Almost surely, 2^3681141 is an apocalyptic number.

It is an amenable number.

3681141 is a deficient number, since it is larger than the sum of its proper divisors (1227051).

3681141 is a wasteful number, since it uses less digits than its factorization.

3681141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227050.

The product of its digits is 576, while the sum is 24.

The square root of 3681141 is about 1918.6299799597. The cubic root of 3681141 is about 154.4048072501.

The spelling of 3681141 in words is "three million, six hundred eighty-one thousand, one hundred forty-one".