3681242 has 16 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 1736592.

The previous prime is 3681239. The next prime is 3681253. The reversal of 3681242 is 2421863.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (365040).

Almost surely, 2^3681242 is an apocalyptic number.

3681242 is a deficient number, since it is larger than the sum of its proper divisors (2159398).

3681242 is a wasteful number, since it uses less digits than its factorization.

3681242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its digits is 2304, while the sum is 26.

The square root of 3681242 is about 1918.6563006438. The cubic root of 3681242 is about 154.4062193795.

The spelling of 3681242 in words is "three million, six hundred eighty-one thousand, two hundred forty-two".