3685743 has 10 divisors (see below), whose sum is σ = 5505984. Its totient is φ = 2457108.

The previous prime is 3685741. The next prime is 3685751. The reversal of 3685743 is 3475863.

It is a happy number.

It is not a de Polignac number, because 3685743 - 2¹ = 3685741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3685698 and 3685707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685741) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22671 + ... + 22832.

Almost surely, 2^3685743 is an apocalyptic number.

3685743 is a deficient number, since it is larger than the sum of its proper divisors (1820241).

3685743 is an equidigital number, since it uses as much as digits as its factorization.

3685743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45515 (or 45506 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3685743 is about 1919.8288986261. The cubic root of 3685743 is about 154.4691238139.

Subtracting from 3685743 its product of digits (60480), we obtain a palindrome (3625263).

It can be divided in two parts, 36857 and 43, that multiplied together give a palindrome (1584851).

The spelling of 3685743 in words is "three million, six hundred eighty-five thousand, seven hundred forty-three".