38881281 has 8 divisors (see below), whose sum is σ = 52317760. Its totient is φ = 25682832.

The previous prime is 38881279. The next prime is 38881291. The reversal of 38881281 is 18218883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38881281 - 2¹ = 38881279 is a prime.

It is a super-3 number, since 3×38881281³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38881211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59125 + ... + 59778.

It is an arithmetic number, because the mean of its divisors is an integer number (6539720).

Almost surely, 2^38881281 is an apocalyptic number.

It is an amenable number.

38881281 is a deficient number, since it is larger than the sum of its proper divisors (13436479).

38881281 is a wasteful number, since it uses less digits than its factorization.

38881281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119015.

The product of its digits is 24576, while the sum is 39.

The square root of 38881281 is about 6235.4856266373. The cubic root of 38881281 is about 338.7766909339.

The spelling of 38881281 in words is "thirty-eight million, eight hundred eighty-one thousand, two hundred eighty-one".