3688835 has 4 divisors (see below), whose sum is σ = 4426608. Its totient is φ = 2951064.

The previous prime is 3688801. The next prime is 3688837. The reversal of 3688835 is 5388863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5388863 = 647 ⋅8329.

It is a cyclic number.

It is not a de Polignac number, because 3688835 - 2¹⁴ = 3672451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3688792 and 3688801.

It is not an unprimeable number, because it can be changed into a prime (3688837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368879 + ... + 368888.

It is an arithmetic number, because the mean of its divisors is an integer number (1106652).

Almost surely, 2^3688835 is an apocalyptic number.

3688835 is a deficient number, since it is larger than the sum of its proper divisors (737773).

3688835 is an equidigital number, since it uses as much as digits as its factorization.

3688835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737772.

The product of its digits is 138240, while the sum is 41.

The square root of 3688835 is about 1920.6340099040. The cubic root of 3688835 is about 154.5123068785.

The spelling of 3688835 in words is "three million, six hundred eighty-eight thousand, eight hundred thirty-five".