38331793 has 2 divisors, whose sum is σ = 38331794. Its totient is φ = 38331792.

The previous prime is 38331763. The next prime is 38331809. The reversal of 38331793 is 39713383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29289744 + 9042049 = 5412^2 + 3007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38331793 is a prime.

It is not a weakly prime, because it can be changed into another prime (38331763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19165896 + 19165897.

It is an arithmetic number, because the mean of its divisors is an integer number (19165897).

Almost surely, 2^38331793 is an apocalyptic number.

It is an amenable number.

38331793 is a deficient number, since it is larger than the sum of its proper divisors (1).

38331793 is an equidigital number, since it uses as much as digits as its factorization.

38331793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 38331793 is about 6191.2674792808. The cubic root of 38331793 is about 337.1731976959.

The spelling of 38331793 in words is "thirty-eight million, three hundred thirty-one thousand, seven hundred ninety-three".