38356481 has 2 divisors, whose sum is σ = 38356482. Its totient is φ = 38356480.

The previous prime is 38356453. The next prime is 38356499. The reversal of 38356481 is 18465383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 410881 = 6160^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 38356481 - 2¹⁴ = 38340097 is a prime.

It is a super-2 number, since 2×38356481² = 2942439269406722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38356081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19178240 + 19178241.

It is an arithmetic number, because the mean of its divisors is an integer number (19178241).

Almost surely, 2^38356481 is an apocalyptic number.

It is an amenable number.

38356481 is a deficient number, since it is larger than the sum of its proper divisors (1).

38356481 is an equidigital number, since it uses as much as digits as its factorization.

38356481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 38356481 is about 6193.2609342736. The cubic root of 38356481 is about 337.2455688254.

The spelling of 38356481 in words is "thirty-eight million, three hundred fifty-six thousand, four hundred eighty-one".