38259921 has 16 divisors (see below), whose sum is σ = 60182528. Its totient is φ = 21157200.

The previous prime is 38259919. The next prime is 38259941. The reversal of 38259921 is 12995283.

38259921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38259921 - 2¹ = 38259919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38259921.

It is not an unprimeable number, because it can be changed into a prime (38259941) 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 15 ways as a sum of consecutive naturals, for example, 28735 + ... + 30036.

It is an arithmetic number, because the mean of its divisors is an integer number (3761408).

Almost surely, 2^38259921 is an apocalyptic number.

38259921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38259921 is a deficient number, since it is larger than the sum of its proper divisors (21922607).

38259921 is a wasteful number, since it uses less digits than its factorization.

38259921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58812.

The product of its digits is 38880, while the sum is 39.

The square root of 38259921 is about 6185.4604517368. The cubic root of 38259921 is about 336.9623329302.

The spelling of 38259921 in words is "thirty-eight million, two hundred fifty-nine thousand, nine hundred twenty-one".