38390477 has 2 divisors, whose sum is σ = 38390478. Its totient is φ = 38390476.

The previous prime is 38390459. The next prime is 38390491. The reversal of 38390477 is 77409383.

38390477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35271721 + 3118756 = 5939^2 + 1766^2 .

It is a cyclic number.

It is not a de Polignac number, because 38390477 - 2⁸ = 38390221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38390447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19195238 + 19195239.

It is an arithmetic number, because the mean of its divisors is an integer number (19195239).

Almost surely, 2^38390477 is an apocalyptic number.

It is an amenable number.

38390477 is a deficient number, since it is larger than the sum of its proper divisors (1).

38390477 is an equidigital number, since it uses as much as digits as its factorization.

38390477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 38390477 is about 6196.0049225287. The cubic root of 38390477 is about 337.3451748939.

The spelling of 38390477 in words is "thirty-eight million, three hundred ninety thousand, four hundred seventy-seven".