3687699 has 8 divisors (see below), whose sum is σ = 4956160. Its totient is φ = 2438856.

The previous prime is 3687683. The next prime is 3687703. The reversal of 3687699 is 9967863.

It is a happy number.

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

It is not a de Polignac number, because 3687699 - 2⁴ = 3687683 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685699) 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, 4459 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (619520).

Almost surely, 2^3687699 is an apocalyptic number.

3687699 is a deficient number, since it is larger than the sum of its proper divisors (1268461).

3687699 is a wasteful number, since it uses less digits than its factorization.

3687699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809.

The product of its digits is 489888, while the sum is 48.

The square root of 3687699 is about 1920.3382514547. The cubic root of 3687699 is about 154.4964442369.

The spelling of 3687699 in words is "three million, six hundred eighty-seven thousand, six hundred ninety-nine".