3782869 has 2 divisors, whose sum is σ = 3782870. Its totient is φ = 3782868.

The previous prime is 3782819. The next prime is 3782893. The reversal of 3782869 is 9682873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 191844 = 1895^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 3782869 - 2¹³ = 3774677 is a prime.

It is a super-2 number, since 2×3782869² = 28620195742322, which contains 22 as substring.

3782869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3782819) 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, 1891434 + 1891435.

It is an arithmetic number, because the mean of its divisors is an integer number (1891435).

Almost surely, 2^3782869 is an apocalyptic number.

It is an amenable number.

3782869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3782869 is an equidigital number, since it uses as much as digits as its factorization.

3782869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 3782869 is about 1944.9598967588. The cubic root of 3782869 is about 155.8142238444.

The spelling of 3782869 in words is "three million, seven hundred eighty-two thousand, eight hundred sixty-nine".