38447093 has 2 divisors, whose sum is σ = 38447094. Its totient is φ = 38447092.

The previous prime is 38447063. The next prime is 38447113. The reversal of 38447093 is 39074483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34374769 + 4072324 = 5863^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 38447093 - 2¹² = 38442997 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 (38447023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19223546 + 19223547.

It is an arithmetic number, because the mean of its divisors is an integer number (19223547).

Almost surely, 2^38447093 is an apocalyptic number.

It is an amenable number.

38447093 is a deficient number, since it is larger than the sum of its proper divisors (1).

38447093 is an equidigital number, since it uses as much as digits as its factorization.

38447093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 38447093 is about 6200.5719897442. The cubic root of 38447093 is about 337.5109256637.

The spelling of 38447093 in words is "thirty-eight million, four hundred forty-seven thousand, ninety-three".