38394289 has 4 divisors (see below), whose sum is σ = 39718260. Its totient is φ = 37070320.

The previous prime is 38394127. The next prime is 38394299. The reversal of 38394289 is 98249383.

38394289 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, and also an emirpimes, since its reverse is a distinct semiprime: 98249383 = 1901 ⋅51683.

It can be written as a sum of positive squares in 2 ways, for example, as 11696400 + 26697889 = 3420^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 38394289 - 2⁹ = 38393777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38394299) 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, 661942 + ... + 661999.

It is an arithmetic number, because the mean of its divisors is an integer number (9929565).

Almost surely, 2^38394289 is an apocalyptic number.

It is an amenable number.

38394289 is a deficient number, since it is larger than the sum of its proper divisors (1323971).

38394289 is a wasteful number, since it uses less digits than its factorization.

38394289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323970.

The product of its digits is 373248, while the sum is 46.

The square root of 38394289 is about 6196.3125324664. The cubic root of 38394289 is about 337.3563401389.

It can be divided in two parts, 38394 and 289, that added together give a palindrome (38683).

The spelling of 38394289 in words is "thirty-eight million, three hundred ninety-four thousand, two hundred eighty-nine".