3688741 has 4 divisors (see below), whose sum is σ = 4215712. Its totient is φ = 3161772.

The previous prime is 3688709. The next prime is 3688757. The reversal of 3688741 is 1478863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3688741 - 2⁵ = 3688709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3688741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263475 + ... + 263488.

It is an arithmetic number, because the mean of its divisors is an integer number (1053928).

Almost surely, 2^3688741 is an apocalyptic number.

It is an amenable number.

3688741 is a deficient number, since it is larger than the sum of its proper divisors (526971).

3688741 is an equidigital number, since it uses as much as digits as its factorization.

3688741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526970.

The product of its digits is 32256, while the sum is 37.

The square root of 3688741 is about 1920.6095386621. The cubic root of 3688741 is about 154.5109944243.

The spelling of 3688741 in words is "three million, six hundred eighty-eight thousand, seven hundred forty-one".