3780785 has 8 divisors (see below), whose sum is σ = 4565760. Its totient is φ = 3005424.

The previous prime is 3780781. The next prime is 3780787. The reversal of 3780785 is 5870873.

3780785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3780785 - 2² = 3780781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3780781) 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 7 ways as a sum of consecutive naturals, for example, 1505 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (570720).

Almost surely, 2^3780785 is an apocalyptic number.

It is an amenable number.

3780785 is a deficient number, since it is larger than the sum of its proper divisors (784975).

3780785 is a wasteful number, since it uses less digits than its factorization.

3780785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807.

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

The square root of 3780785 is about 1944.4240792584. The cubic root of 3780785 is about 155.7856056633.

The spelling of 3780785 in words is "three million, seven hundred eighty thousand, seven hundred eighty-five".