3782873 has 4 divisors (see below), whose sum is σ = 3787428. Its totient is φ = 3778320.

The previous prime is 3782869. The next prime is 3782893.

3782873 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 1261129 = 1588^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 3782873 - 2² = 3782869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3782803) 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 3 ways as a sum of consecutive naturals, for example, 638 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (946857).

Almost surely, 2^3782873 is an apocalyptic number.

It is an amenable number.

3782873 is a deficient number, since it is larger than the sum of its proper divisors (4555).

3782873 is a wasteful number, since it uses less digits than its factorization.

3782873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its digits is 56448, while the sum is 38.

The square root of 3782873 is about 1944.9609250574. The cubic root of 3782873 is about 155.8142787636.

The spelling of 3782873 in words is "three million, seven hundred eighty-two thousand, eight hundred seventy-three".