38944285 has 4 divisors (see below), whose sum is σ = 46733148. Its totient is φ = 31155424.

The previous prime is 38944273. The next prime is 38944289. The reversal of 38944285 is 58244983.

38944285 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: 58244983 = 101 ⋅576683.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 27941796 = 3317^2 + 5286^2 .

It is a cyclic number.

It is not a de Polignac number, because 38944285 - 2⁵ = 38944253 is a prime.

It is a super-2 number, since 2×38944285² = 3033314668322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38944289) 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, 3894424 + ... + 3894433.

It is an arithmetic number, because the mean of its divisors is an integer number (11683287).

Almost surely, 2^38944285 is an apocalyptic number.

It is an amenable number.

38944285 is a deficient number, since it is larger than the sum of its proper divisors (7788863).

38944285 is an equidigital number, since it uses as much as digits as its factorization.

38944285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788862.

The product of its digits is 276480, while the sum is 43.

The square root of 38944285 is about 6240.5356340622. The cubic root of 38944285 is about 338.9595790106.

The spelling of 38944285 in words is "thirty-eight million, nine hundred forty-four thousand, two hundred eighty-five".