38858081 has 2 divisors, whose sum is σ = 38858082. Its totient is φ = 38858080.

The previous prime is 38858051. The next prime is 38858093. The reversal of 38858081 is 18085883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38241856 + 616225 = 6184^2 + 785^2 .

It is an emirp because it is prime and its reverse (18085883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38858081 - 2¹⁴ = 38841697 is a prime.

It is a super-2 number, since 2×38858081² = 3019900918005122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38858051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19429040 + 19429041.

It is an arithmetic number, because the mean of its divisors is an integer number (19429041).

Almost surely, 2^38858081 is an apocalyptic number.

It is an amenable number.

38858081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38858081 is an equidigital number, since it uses as much as digits as its factorization.

38858081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 38858081 is about 6233.6250288255. The cubic root of 38858081 is about 338.7092961809.

The spelling of 38858081 in words is "thirty-eight million, eight hundred fifty-eight thousand, eighty-one".