38386331 has 2 divisors, whose sum is σ = 38386332. Its totient is φ = 38386330.

The previous prime is 38386321. The next prime is 38386417. The reversal of 38386331 is 13368383.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38386331 - 2²² = 34192027 is a prime.

It is a super-2 number, since 2×38386331² = 2947020815283122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38386291 and 38386300.

It is not a weakly prime, because it can be changed into another prime (38386321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193165 + 19193166.

It is an arithmetic number, because the mean of its divisors is an integer number (19193166).

Almost surely, 2^38386331 is an apocalyptic number.

38386331 is a deficient number, since it is larger than the sum of its proper divisors (1).

38386331 is an equidigital number, since it uses as much as digits as its factorization.

38386331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 38386331 is about 6195.6703430702. The cubic root of 38386331 is about 337.3330305328. Note that the first 3 decimals are identical.

The spelling of 38386331 in words is "thirty-eight million, three hundred eighty-six thousand, three hundred thirty-one".