38827881 has 12 divisors (see below), whose sum is σ = 59384052. Its totient is φ = 24362496.

The previous prime is 38827879. The next prime is 38827889. The reversal of 38827881 is 18872883.

It is a happy number.

38827881 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 2 ways, for example, as 27878400 + 10949481 = 5280^2 + 3309^2 .

It is not a de Polignac number, because 38827881 - 2¹ = 38827879 is a prime.

It is a super-2 number, since 2×38827881² = 3015208685900322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38827889) 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 11 ways as a sum of consecutive naturals, for example, 126736 + ... + 127041.

It is an arithmetic number, because the mean of its divisors is an integer number (4948671).

Almost surely, 2^38827881 is an apocalyptic number.

It is an amenable number.

38827881 is a deficient number, since it is larger than the sum of its proper divisors (20556171).

38827881 is a wasteful number, since it uses less digits than its factorization.

38827881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253800 (or 253797 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 38827881 is about 6231.2022114517. The cubic root of 38827881 is about 338.6215266052.

The spelling of 38827881 in words is "thirty-eight million, eight hundred twenty-seven thousand, eight hundred eighty-one".