3815688 has 32 divisors (see below), whose sum is σ = 9604800. Its totient is φ = 1263168.

The previous prime is 3815687. The next prime is 3815711. The reversal of 3815688 is 8865183.

It is a happy number.

3815688 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3815681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693 + ... + 4611.

It is an arithmetic number, because the mean of its divisors is an integer number (300150).

Almost surely, 2^3815688 is an apocalyptic number.

It is an amenable number.

3815688 is an abundant number, since it is smaller than the sum of its proper divisors (5789112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3815688 is a wasteful number, since it uses less digits than its factorization.

3815688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1097 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 3815688 is about 1953.3786115344. The cubic root of 3815688 is about 156.2635256558.

The spelling of 3815688 in words is "three million, eight hundred fifteen thousand, six hundred eighty-eight".