3688347 has 8 divisors (see below), whose sum is σ = 5296144. Its totient is φ = 2269728.

The previous prime is 3688343. The next prime is 3688357. The reversal of 3688347 is 7438863.

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

It is not a de Polignac number, because 3688347 - 2² = 3688343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 94573 = 3688347 / (3 + 6 + 8 + 8 + 3 + 4 + 7).

It is a Duffinian number.

3688347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3688343) 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, 47248 + ... + 47325.

It is an arithmetic number, because the mean of its divisors is an integer number (662018).

Almost surely, 2^3688347 is an apocalyptic number.

3688347 is a deficient number, since it is larger than the sum of its proper divisors (1607797).

3688347 is a wasteful number, since it uses less digits than its factorization.

3688347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94589.

The product of its digits is 96768, while the sum is 39.

The square root of 3688347 is about 1920.5069643196. The cubic root of 3688347 is about 154.5054930442.

The spelling of 3688347 in words is "three million, six hundred eighty-eight thousand, three hundred forty-seven".