3660849 has 16 divisors (see below), whose sum is σ = 5557440. Its totient is φ = 2380320.

The previous prime is 3660847. The next prime is 3660871. The reversal of 3660849 is 9480663.

3660849 is a `hidden beast` number, since 3 + 6 + 608 + 49 = 666.

It is not a de Polignac number, because 3660849 - 2¹ = 3660847 is a prime.

3660849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3660847) 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 15 ways as a sum of consecutive naturals, for example, 547 + ... + 2760.

It is an arithmetic number, because the mean of its divisors is an integer number (347340).

Almost surely, 2^3660849 is an apocalyptic number.

It is an amenable number.

3660849 is a deficient number, since it is larger than the sum of its proper divisors (1896591).

3660849 is a wasteful number, since it uses less digits than its factorization.

3660849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3660849 is about 1913.3345238092. The cubic root of 3660849 is about 154.1205695472.

The spelling of 3660849 in words is "three million, six hundred sixty thousand, eight hundred forty-nine".