38969828 has 24 divisors (see below), whose sum is σ = 69727392. Its totient is φ = 19052864.

The previous prime is 38969783. The next prime is 38969837. The reversal of 38969828 is 82896983.

It is a self number, because there is not a number n which added to its sum of digits gives 38969828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34976 + ... + 36072.

It is an arithmetic number, because the mean of its divisors is an integer number (2905308).

Almost surely, 2^38969828 is an apocalyptic number.

It is an amenable number.

38969828 is a deficient number, since it is larger than the sum of its proper divisors (30757564).

38969828 is a wasteful number, since it uses less digits than its factorization.

38969828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 38969828 is about 6242.5818376694. The cubic root of 38969828 is about 339.0336690628.

The spelling of 38969828 in words is "thirty-eight million, nine hundred sixty-nine thousand, eight hundred twenty-eight".