3728927 has 4 divisors (see below), whose sum is σ = 3733200. Its totient is φ = 3724656.

The previous prime is 3728911. The next prime is 3728939. The reversal of 3728927 is 7298273.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7298273 = 83 ⋅87931.

It is a cyclic number.

It is not a de Polignac number, because 3728927 - 2⁴ = 3728911 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728947) 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 3 ways as a sum of consecutive naturals, for example, 302 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (933300).

Almost surely, 2^3728927 is an apocalyptic number.

3728927 is a deficient number, since it is larger than the sum of its proper divisors (4273).

3728927 is a wasteful number, since it uses less digits than its factorization.

3728927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

The product of its digits is 42336, while the sum is 38.

The square root of 3728927 is about 1931.0429824320. The cubic root of 3728927 is about 155.0700619788.

The spelling of 3728927 in words is "three million, seven hundred twenty-eight thousand, nine hundred twenty-seven".