38305493 has 2 divisors, whose sum is σ = 38305494. Its totient is φ = 38305492.

The previous prime is 38305459. The next prime is 38305513. The reversal of 38305493 is 39450383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25331089 + 12974404 = 5033^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 38305493 - 2⁸ = 38305237 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 (38305453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19152746 + 19152747.

It is an arithmetic number, because the mean of its divisors is an integer number (19152747).

Almost surely, 2^38305493 is an apocalyptic number.

It is an amenable number.

38305493 is a deficient number, since it is larger than the sum of its proper divisors (1).

38305493 is an equidigital number, since it uses as much as digits as its factorization.

38305493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 38305493 is about 6189.1431555588. The cubic root of 38305493 is about 337.0960669101.

The spelling of 38305493 in words is "thirty-eight million, three hundred five thousand, four hundred ninety-three".