38269521 has 6 divisors (see below), whose sum is σ = 55278210. Its totient is φ = 25513008.

The previous prime is 38269471. The next prime is 38269559. The reversal of 38269521 is 12596283.

38269521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 17338896 = 4575^2 + 4164^2 .

It is not a de Polignac number, because 38269521 - 2⁶ = 38269457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38261521) 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 5 ways as a sum of consecutive naturals, for example, 2126076 + ... + 2126093.

It is an arithmetic number, because the mean of its divisors is an integer number (9213035).

Almost surely, 2^38269521 is an apocalyptic number.

It is an amenable number.

38269521 is a deficient number, since it is larger than the sum of its proper divisors (17008689).

38269521 is a wasteful number, since it uses less digits than its factorization.

38269521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252175 (or 4252172 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 38269521 is about 6186.2364164329. The cubic root of 38269521 is about 336.9905135762.

The spelling of 38269521 in words is "thirty-eight million, two hundred sixty-nine thousand, five hundred twenty-one".