38849121 has 6 divisors (see below), whose sum is σ = 56115410. Its totient is φ = 25899408.

The previous prime is 38849117. The next prime is 38849137. The reversal of 38849121 is 12194883.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 11128896 = 5265^2 + 3336^2 .

It is not a de Polignac number, because 38849121 - 2² = 38849117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38849191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2158276 + ... + 2158293.

Almost surely, 2^38849121 is an apocalyptic number.

It is an amenable number.

38849121 is a deficient number, since it is larger than the sum of its proper divisors (17266289).

38849121 is a wasteful number, since it uses less digits than its factorization.

38849121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316575 (or 4316572 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 38849121 is about 6232.9063044458. The cubic root of 38849121 is about 338.6832606819.

The spelling of 38849121 in words is "thirty-eight million, eight hundred forty-nine thousand, one hundred twenty-one".