38281121 has 8 divisors (see below), whose sum is σ = 38831400. Its totient is φ = 37734400.

The previous prime is 38281081. The next prime is 38281129. The reversal of 38281121 is 12118283.

It can be written as a sum of positive squares in 4 ways, for example, as 286225 + 37994896 = 535^2 + 6164^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38281121 is a prime.

It is a deceptive number, since it divides R_38281120.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38281129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26465 + ... + 27873.

It is an arithmetic number, because the mean of its divisors is an integer number (4853925).

Almost surely, 2^38281121 is an apocalyptic number.

It is an amenable number.

38281121 is a deficient number, since it is larger than the sum of its proper divisors (550279).

38281121 is a wasteful number, since it uses less digits than its factorization.

38281121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779.

The product of its digits is 768, while the sum is 26.

The square root of 38281121 is about 6187.1739105992. The cubic root of 38281121 is about 337.0245589031.

The spelling of 38281121 in words is "thirty-eight million, two hundred eighty-one thousand, one hundred twenty-one".