3778085 has 4 divisors (see below), whose sum is σ = 4533708. Its totient is φ = 3022464.

The previous prime is 3778081. The next prime is 3778087. The reversal of 3778085 is 5808773.

3778085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 588289 + 3189796 = 767^2 + 1786^2 .

It is a cyclic number.

It is not a de Polignac number, because 3778085 - 2² = 3778081 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 (3778081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377804 + ... + 377813.

It is an arithmetic number, because the mean of its divisors is an integer number (1133427).

Almost surely, 2^3778085 is an apocalyptic number.

It is an amenable number.

3778085 is a deficient number, since it is larger than the sum of its proper divisors (755623).

3778085 is an equidigital number, since it uses as much as digits as its factorization.

3778085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755622.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 3778085 is about 1943.7296622730. The cubic root of 3778085 is about 155.7485127225.

The spelling of 3778085 in words is "three million, seven hundred seventy-eight thousand, eighty-five".