3685747 has 4 divisors (see below), whose sum is σ = 3969280. Its totient is φ = 3402216.

The previous prime is 3685741. The next prime is 3685751. The reversal of 3685747 is 7475863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7475863 = 1231 ⋅6073.

It is a cyclic number.

It is not a de Polignac number, because 3685747 - 2³ = 3685739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3685741) 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 3 ways as a sum of consecutive naturals, for example, 141747 + ... + 141772.

It is an arithmetic number, because the mean of its divisors is an integer number (992320).

Almost surely, 2^3685747 is an apocalyptic number.

3685747 is a deficient number, since it is larger than the sum of its proper divisors (283533).

3685747 is a wasteful number, since it uses less digits than its factorization.

3685747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283532.

The product of its digits is 141120, while the sum is 40.

The square root of 3685747 is about 1919.8299403853. The cubic root of 3685747 is about 154.4691796938.

The spelling of 3685747 in words is "three million, six hundred eighty-five thousand, seven hundred forty-seven".