38440141 has 2 divisors, whose sum is σ = 38440142. Its totient is φ = 38440140.

The previous prime is 38440133. The next prime is 38440159. The reversal of 38440141 is 14104483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38180041 + 260100 = 6179^2 + 510^2 .

It is an emirp because it is prime and its reverse (14104483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38440141 - 2³ = 38440133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38440541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19220070 + 19220071.

It is an arithmetic number, because the mean of its divisors is an integer number (19220071).

Almost surely, 2^38440141 is an apocalyptic number.

It is an amenable number.

38440141 is a deficient number, since it is larger than the sum of its proper divisors (1).

38440141 is an equidigital number, since it uses as much as digits as its factorization.

38440141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 38440141 is about 6200.0113709573. The cubic root of 38440141 is about 337.4905815387.

The spelling of 38440141 in words is "thirty-eight million, four hundred forty thousand, one hundred forty-one".