3688293 has 8 divisors (see below), whose sum is σ = 5620288. Its totient is φ = 2107584.

The previous prime is 3688277. The next prime is 3688301. The reversal of 3688293 is 3928863.

3688293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3688293 - 2⁴ = 3688277 is a prime.

It is a Duffinian number.

3688293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87796 + ... + 87837.

It is an arithmetic number, because the mean of its divisors is an integer number (702536).

Almost surely, 2^3688293 is an apocalyptic number.

It is an amenable number.

3688293 is a deficient number, since it is larger than the sum of its proper divisors (1931995).

3688293 is a wasteful number, since it uses less digits than its factorization.

3688293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175643.

The product of its digits is 62208, while the sum is 39.

The square root of 3688293 is about 1920.4929054803. The cubic root of 3688293 is about 154.5047390174.

The spelling of 3688293 in words is "three million, six hundred eighty-eight thousand, two hundred ninety-three".