3688430 has 16 divisors (see below), whose sum is σ = 6705504. Its totient is φ = 1460640.

The previous prime is 3688393. The next prime is 3688453. The reversal of 3688430 is 348863.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 761 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (419094).

Almost surely, 2^3688430 is an apocalyptic number.

3688430 is a deficient number, since it is larger than the sum of its proper divisors (3017074).

3688430 is a wasteful number, since it uses less digits than its factorization.

3688430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3688430 is about 1920.5285730757. The cubic root of 3688430 is about 154.5066519969.

The spelling of 3688430 in words is "three million, six hundred eighty-eight thousand, four hundred thirty".