3581742 has 16 divisors (see below), whose sum is σ = 7196112. Its totient is φ = 1188480.

The previous prime is 3581741. The next prime is 3581749. The reversal of 3581742 is 2471853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (449757).

Almost surely, 2^3581742 is an apocalyptic number.

3581742 is an abundant number, since it is smaller than the sum of its proper divisors (3614370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3581742 is a wasteful number, since it uses less digits than its factorization.

3581742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its digits is 6720, while the sum is 30.

The square root of 3581742 is about 1892.5490746609. The cubic root of 3581742 is about 153.0023494876.

The spelling of 3581742 in words is "three million, five hundred eighty-one thousand, seven hundred forty-two".