3785287 has 4 divisors (see below), whose sum is σ = 4129416. Its totient is φ = 3441160.

The previous prime is 3785281. The next prime is 3785291. The reversal of 3785287 is 7825873.

3785287 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 is a cyclic number.

It is not a de Polignac number, because 3785287 - 2³ = 3785279 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 (3785281) 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, 172048 + ... + 172069.

It is an arithmetic number, because the mean of its divisors is an integer number (1032354).

Almost surely, 2^3785287 is an apocalyptic number.

3785287 is a deficient number, since it is larger than the sum of its proper divisors (344129).

3785287 is a wasteful number, since it uses less digits than its factorization.

3785287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344128.

The product of its digits is 94080, while the sum is 40.

The square root of 3785287 is about 1945.5814041052. The cubic root of 3785287 is about 155.8474154552.

It can be divided in two parts, 378 and 5287, that added together give a palindrome (5665).

The spelling of 3785287 in words is "three million, seven hundred eighty-five thousand, two hundred eighty-seven".