38379493 has 2 divisors, whose sum is σ = 38379494. Its totient is φ = 38379492.

The previous prime is 38379443. The next prime is 38379503. The reversal of 38379493 is 39497383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 26244 = 6193^2 + 162^2 .

It is an emirp because it is prime and its reverse (39497383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38379493 - 2²¹ = 36282341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38379413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19189746 + 19189747.

It is an arithmetic number, because the mean of its divisors is an integer number (19189747).

Almost surely, 2^38379493 is an apocalyptic number.

It is an amenable number.

38379493 is a deficient number, since it is larger than the sum of its proper divisors (1).

38379493 is an equidigital number, since it uses as much as digits as its factorization.

38379493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 38379493 is about 6195.1184815143. The cubic root of 38379493 is about 337.3129989209.

The spelling of 38379493 in words is "thirty-eight million, three hundred seventy-nine thousand, four hundred ninety-three".