3687943 has 8 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 3147000.

The previous prime is 3687941. The next prime is 3687967. The reversal of 3687943 is 3497863.

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

It is a cyclic number.

It is not a de Polignac number, because 3687943 - 2¹ = 3687941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3687896 and 3687905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687941) 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, 708 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^3687943 is an apocalyptic number.

3687943 is a deficient number, since it is larger than the sum of its proper divisors (545657).

3687943 is a wasteful number, since it uses less digits than its factorization.

3687943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357.

The product of its digits is 108864, while the sum is 40.

The square root of 3687943 is about 1920.4017808782. The cubic root of 3687943 is about 154.4998516283.

The spelling of 3687943 in words is "three million, six hundred eighty-seven thousand, nine hundred forty-three".