3728087 has 8 divisors (see below), whose sum is σ = 4154112. Its totient is φ = 3316600.

The previous prime is 3728069. The next prime is 3728099. The reversal of 3728087 is 7808273.

It is a happy number.

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 3728087 - 2¹⁶ = 3662551 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 (3728017) 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, 3089 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (519264).

Almost surely, 2^3728087 is an apocalyptic number.

3728087 is a deficient number, since it is larger than the sum of its proper divisors (426025).

3728087 is a wasteful number, since it uses less digits than its factorization.

3728087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3728087 is about 1930.8254711392. The cubic root of 3728087 is about 155.0584171066.

The spelling of 3728087 in words is "three million, seven hundred twenty-eight thousand, eighty-seven".