38648828 has 24 divisors (see below), whose sum is σ = 69258672. Its totient is φ = 18866304.

The previous prime is 38648821. The next prime is 38648833. The reversal of 38648828 is 82884683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38648821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30626 + ... + 31862.

It is an arithmetic number, because the mean of its divisors is an integer number (2885778).

Almost surely, 2^38648828 is an apocalyptic number.

It is an amenable number.

38648828 is a deficient number, since it is larger than the sum of its proper divisors (30609844).

38648828 is a wasteful number, since it uses less digits than its factorization.

38648828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 38648828 is about 6216.8181572248. The cubic root of 38648828 is about 338.1002118739.

The spelling of 38648828 in words is "thirty-eight million, six hundred forty-eight thousand, eight hundred twenty-eight".