3787845 has 16 divisors (see below), whose sum is σ = 6152640. Its totient is φ = 1989504.

The previous prime is 3787843. The next prime is 3787853. The reversal of 3787845 is 5487873.

3787845 = 159² + 160² + ... + 248².

3787845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3787845 - 2¹ = 3787843 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3787797 and 3787806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3787843) 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 15 ways as a sum of consecutive naturals, for example, 880 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (384540).

Almost surely, 2^3787845 is an apocalyptic number.

It is an amenable number.

3787845 is a deficient number, since it is larger than the sum of its proper divisors (2364795).

3787845 is a wasteful number, since it uses less digits than its factorization.

3787845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its digits is 188160, while the sum is 42.

The square root of 3787845 is about 1946.2386801212. The cubic root of 3787845 is about 155.8825134475.

The spelling of 3787845 in words is "three million, seven hundred eighty-seven thousand, eight hundred forty-five".