38750389 has 2 divisors, whose sum is σ = 38750390.
Its totient is φ = 38750388.
The previous prime is 38750381. The next prime is 38750407. The reversal of 38750389 is 98305783.
It is a happy number.
38750389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20857489 + 17892900 = 4567^2 + 4230^2
It is a cyclic number.
It is not a de Polignac number, because 38750389 - 23 = 38750381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38750381) 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, 19375194 + 19375195.
It is an arithmetic number, because the mean of its divisors is an integer number (19375195).
Almost surely, 238750389 is an apocalyptic number.
It is an amenable number.
38750389 is a deficient number, since it is larger than the sum of its proper divisors (1).
38750389 is an equidigital number, since it uses as much as digits as its factorization.
38750389 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 38750389 is about 6224.9810441478.
The cubic root of 38750389 is about 338.3961049512.
The spelling of 38750389 in words is "thirty-eight million, seven hundred fifty thousand, three hundred eighty-nine".