3688437 has 8 divisors (see below), whose sum is σ = 4977504. Its totient is φ = 2429168.

The previous prime is 3688393. The next prime is 3688453. The reversal of 3688437 is 7348863.

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 3688437 - 2⁷ = 3688309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3688395 and 3688404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7158 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (622188).

Almost surely, 2^3688437 is an apocalyptic number.

It is an amenable number.

3688437 is a deficient number, since it is larger than the sum of its proper divisors (1289067).

3688437 is a wasteful number, since it uses less digits than its factorization.

3688437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14899.

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

The square root of 3688437 is about 1920.5303954897. The cubic root of 3688437 is about 154.5067497392.

The spelling of 3688437 in words is "three million, six hundred eighty-eight thousand, four hundred thirty-seven".