3728546 has 8 divisors (see below), whose sum is σ = 5601180. Its totient is φ = 1861488.

The previous prime is 3728537. The next prime is 3728561. The reversal of 3728546 is 6458273.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 265225 = 1861^2 + 515^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400 + ... + 3068.

Almost surely, 2^3728546 is an apocalyptic number.

3728546 is a deficient number, since it is larger than the sum of its proper divisors (1872634).

3728546 is a wasteful number, since it uses less digits than its factorization.

3728546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its digits is 40320, while the sum is 35.

The square root of 3728546 is about 1930.9443285605. The cubic root of 3728546 is about 155.0647804142.

The spelling of 3728546 in words is "three million, seven hundred twenty-eight thousand, five hundred forty-six".