3688279 has 8 divisors (see below), whose sum is σ = 4301600. Its totient is φ = 3161088.

The previous prime is 3688277. The next prime is 3688301. The reversal of 3688279 is 9728863.

3688279 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3688279 - 2¹ = 3688277 is a prime.

It is a Duffinian number.

3688279 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688277) 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, 5034 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (537700).

Almost surely, 2^3688279 is an apocalyptic number.

3688279 is a deficient number, since it is larger than the sum of its proper divisors (613321).

3688279 is an equidigital number, since it uses as much as digits as its factorization.

3688279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774 (or 10760 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 3688279 is about 1920.4892605792. The cubic root of 3688279 is about 154.5045435278.

The spelling of 3688279 in words is "three million, six hundred eighty-eight thousand, two hundred seventy-nine".