38327609 has 2 divisors, whose sum is σ = 38327610. Its totient is φ = 38327608.

The previous prime is 38327593. The next prime is 38327651. The reversal of 38327609 is 90672383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34339600 + 3988009 = 5860^2 + 1997^2 .

It is an emirp because it is prime and its reverse (90672383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38327609 - 2⁴ = 38327593 is a prime.

It is a super-2 number, since 2×38327609² = 2938011223313762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38327699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19163804 + 19163805.

It is an arithmetic number, because the mean of its divisors is an integer number (19163805).

Almost surely, 2^38327609 is an apocalyptic number.

It is an amenable number.

38327609 is a deficient number, since it is larger than the sum of its proper divisors (1).

38327609 is an equidigital number, since it uses as much as digits as its factorization.

38327609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 38327609 is about 6190.9295747892. The cubic root of 38327609 is about 337.1609295161.

The spelling of 38327609 in words is "thirty-eight million, three hundred twenty-seven thousand, six hundred nine".