3780895 has 4 divisors (see below), whose sum is σ = 4537080. Its totient is φ = 3024712.

The previous prime is 3780893. The next prime is 3780929. The reversal of 3780895 is 5980873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5980873 = 29 ⋅206237.

It is a cyclic number.

It is not a de Polignac number, because 3780895 - 2¹ = 3780893 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780893) 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, 378085 + ... + 378094.

It is an arithmetic number, because the mean of its divisors is an integer number (1134270).

Almost surely, 2^3780895 is an apocalyptic number.

3780895 is a deficient number, since it is larger than the sum of its proper divisors (756185).

3780895 is an equidigital number, since it uses as much as digits as its factorization.

3780895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756184.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3780895 is about 1944.4523650632. The cubic root of 3780895 is about 155.7871164827.

The spelling of 3780895 in words is "three million, seven hundred eighty thousand, eight hundred ninety-five".