38021384 has 32 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 17807616.

The previous prime is 38021383. The next prime is 38021437. The reversal of 38021384 is 48312083.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38021383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35237 + ... + 36299.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^38021384 is an apocalyptic number.

38021384 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38021384 is a deficient number, since it is larger than the sum of its proper divisors (37820536).

38021384 is a wasteful number, since it uses less digits than its factorization.

38021384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38021384 is about 6166.1482304596. The cubic root of 38021384 is about 336.2605924350.

The spelling of 38021384 in words is "thirty-eight million, twenty-one thousand, three hundred eighty-four".