3785705 has 16 divisors (see below), whose sum is σ = 5664384. Its totient is φ = 2359680.

The previous prime is 3785687. The next prime is 3785753. The reversal of 3785705 is 5075873.

It is not a de Polignac number, because 3785705 - 2⁶ = 3785641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4532 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (354024).

Almost surely, 2^3785705 is an apocalyptic number.

3785705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3785705 is a deficient number, since it is larger than the sum of its proper divisors (1878679).

3785705 is a wasteful number, since it uses less digits than its factorization.

3785705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 3785705 is about 1945.6888240415. The cubic root of 3785705 is about 155.8531518606.

The spelling of 3785705 in words is "three million, seven hundred eighty-five thousand, seven hundred five".