3849705 has 12 divisors (see below), whose sum is σ = 6672900. Its totient is φ = 2053152.

The previous prime is 3849683. The next prime is 3849707. The reversal of 3849705 is 5079483.

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 3326976 = 723^2 + 1824^2 .

It is not a de Polignac number, because 3849705 - 2⁹ = 3849193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3849705.

It is not an unprimeable number, because it can be changed into a prime (3849707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42730 + ... + 42819.

It is an arithmetic number, because the mean of its divisors is an integer number (556075).

Almost surely, 2^3849705 is an apocalyptic number.

It is an amenable number.

3849705 is a deficient number, since it is larger than the sum of its proper divisors (2823195).

3849705 is a wasteful number, since it uses less digits than its factorization.

3849705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85560 (or 85557 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3849705 is about 1962.0665126341. The cubic root of 3849705 is about 156.7265175479.

It can be divided in two parts, 3849 and 705, that added together give a palindrome (4554).

The spelling of 3849705 in words is "three million, eight hundred forty-nine thousand, seven hundred five".