38481329 has 4 divisors (see below), whose sum is σ = 39419940. Its totient is φ = 37542720.

The previous prime is 38481307. The next prime is 38481367. The reversal of 38481329 is 92318483.

38481329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 26419600 = 3473^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 38481329 - 2¹² = 38477233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38481292 and 38481301.

It is not an unprimeable number, because it can be changed into a prime (38481029) 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 3 ways as a sum of consecutive naturals, for example, 469244 + ... + 469325.

It is an arithmetic number, because the mean of its divisors is an integer number (9854985).

Almost surely, 2^38481329 is an apocalyptic number.

It is an amenable number.

38481329 is a deficient number, since it is larger than the sum of its proper divisors (938611).

38481329 is an equidigital number, since it uses as much as digits as its factorization.

38481329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938610.

The product of its digits is 41472, while the sum is 38.

The square root of 38481329 is about 6203.3320884828. The cubic root of 38481329 is about 337.6110771103.

The spelling of 38481329 in words is "thirty-eight million, four hundred eighty-one thousand, three hundred twenty-nine".