3681142 has 8 divisors (see below), whose sum is σ = 5550336. Its totient is φ = 1831032.

The previous prime is 3681131. The next prime is 3681149. The reversal of 3681142 is 2411863.

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

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, 4278 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (693792).

Almost surely, 2^3681142 is an apocalyptic number.

3681142 is a deficient number, since it is larger than the sum of its proper divisors (1869194).

3681142 is a wasteful number, since it uses less digits than its factorization.

3681142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

The product of its digits is 1152, while the sum is 25.

The square root of 3681142 is about 1918.6302405623. The cubic root of 3681142 is about 154.4048212317.

The spelling of 3681142 in words is "three million, six hundred eighty-one thousand, one hundred forty-two".