38727428 has 24 divisors (see below), whose sum is σ = 71995392. Its totient is φ = 18164864.

The previous prime is 38727427. The next prime is 38727431. The reversal of 38727428 is 82472783.

38727428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38727421) 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, 25301 + ... + 26787.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^38727428 is an apocalyptic number.

It is an amenable number.

38727428 is a deficient number, since it is larger than the sum of its proper divisors (33267964).

38727428 is a wasteful number, since it uses less digits than its factorization.

38727428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1889 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 38727428 is about 6223.1365082248. The cubic root of 38727428 is about 338.3292544556.

The spelling of 38727428 in words is "thirty-eight million, seven hundred twenty-seven thousand, four hundred twenty-eight".