3781082 has 4 divisors (see below), whose sum is σ = 5671626. Its totient is φ = 1890540.

The previous prime is 3781079. The next prime is 3781087. The reversal of 3781082 is 2801873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3613801 + 167281 = 1901^2 + 409^2 .

It is not an unprimeable number, because it can be changed into a prime (3781087) 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 as a sum of consecutive naturals, namely, 945269 + ... + 945272.

Almost surely, 2^3781082 is an apocalyptic number.

3781082 is a deficient number, since it is larger than the sum of its proper divisors (1890544).

3781082 is a wasteful number, since it uses less digits than its factorization.

3781082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890543.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3781082 is about 1944.5004499871. The cubic root of 3781082 is about 155.7896848085.

The spelling of 3781082 in words is "three million, seven hundred eighty-one thousand, eighty-two".