38365609 has 2 divisors, whose sum is σ = 38365610. Its totient is φ = 38365608.

The previous prime is 38365573. The next prime is 38365643. The reversal of 38365609 is 90656383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 13395600 = 4997^2 + 3660^2 .

It is a cyclic number.

It is not a de Polignac number, because 38365609 - 2⁹ = 38365097 is a prime.

It is not a weakly prime, because it can be changed into another prime (38365669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19182804 + 19182805.

It is an arithmetic number, because the mean of its divisors is an integer number (19182805).

Almost surely, 2^38365609 is an apocalyptic number.

It is an amenable number.

38365609 is a deficient number, since it is larger than the sum of its proper divisors (1).

38365609 is an equidigital number, since it uses as much as digits as its factorization.

38365609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 38365609 is about 6193.9978204710. The cubic root of 38365609 is about 337.2723190495.

The spelling of 38365609 in words is "thirty-eight million, three hundred sixty-five thousand, six hundred nine".