3688930 has 32 divisors (see below), whose sum is σ = 7660800. Its totient is φ = 1252800.

The previous prime is 3688903. The next prime is 3688933. The reversal of 3688930 is 398863.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3688930.

It is not an unprimeable number, because it can be changed into a prime (3688933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10396 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 2^3688930 is an apocalyptic number.

3688930 is an abundant number, since it is smaller than the sum of its proper divisors (3971870).

3688930 is a wasteful number, since it uses less digits than its factorization.

3688930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3688930 is about 1920.6587411615. The cubic root of 3688930 is about 154.5136332722.

The spelling of 3688930 in words is "three million, six hundred eighty-eight thousand, nine hundred thirty".