3685732 has 12 divisors (see below), whose sum is σ = 6492220. Its totient is φ = 1830816.

The previous prime is 3685729. The next prime is 3685739. The reversal of 3685732 is 2375863.

3685732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 678976 + 3006756 = 824^2 + 1734^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 3² + 6⁸ + 8⁴ + 5⁸ + 7⁵ + 3¹³ + 2⁸ .

It is not an unprimeable number, because it can be changed into a prime (3685739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307 + ... + 3562.

Almost surely, 2^3685732 is an apocalyptic number.

It is an amenable number.

3685732 is a deficient number, since it is larger than the sum of its proper divisors (2806488).

3685732 is a wasteful number, since it uses less digits than its factorization.

3685732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030 (or 6028 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 3685732 is about 1919.8260337854. The cubic root of 3685732 is about 154.4689701441.

The spelling of 3685732 in words is "three million, six hundred eighty-five thousand, seven hundred thirty-two".