38846281 has 4 divisors (see below), whose sum is σ = 38921364. Its totient is φ = 38771200.

The previous prime is 38846273. The next prime is 38846351. The reversal of 38846281 is 18264883.

38846281 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 16605625 + 22240656 = 4075^2 + 4716^2 .

It is a cyclic number.

It is not a de Polignac number, because 38846281 - 2³ = 38846273 is a prime.

It is a super-2 number, since 2×38846281² = 3018067095061922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38846201) 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, 36760 + ... + 37801.

It is an arithmetic number, because the mean of its divisors is an integer number (9730341).

Almost surely, 2^38846281 is an apocalyptic number.

It is an amenable number.

38846281 is a deficient number, since it is larger than the sum of its proper divisors (75083).

38846281 is an equidigital number, since it uses as much as digits as its factorization.

38846281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75082.

The product of its digits is 73728, while the sum is 40.

The square root of 38846281 is about 6232.6784771878. The cubic root of 38846281 is about 338.6750075231.

The spelling of 38846281 in words is "thirty-eight million, eight hundred forty-six thousand, two hundred eighty-one".