38538499 has 2 divisors, whose sum is σ = 38538500. Its totient is φ = 38538498.

The previous prime is 38538481. The next prime is 38538509. The reversal of 38538499 is 99483583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38538499 - 2¹³ = 38530307 is a prime.

It is not a weakly prime, because it can be changed into another prime (38532499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19269249 + 19269250.

It is an arithmetic number, because the mean of its divisors is an integer number (19269250).

Almost surely, 2^38538499 is an apocalyptic number.

38538499 is a deficient number, since it is larger than the sum of its proper divisors (1).

38538499 is an equidigital number, since it uses as much as digits as its factorization.

38538499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 38538499 is about 6207.9383856478. The cubic root of 38538499 is about 337.7781856392.

The spelling of 38538499 in words is "thirty-eight million, five hundred thirty-eight thousand, four hundred ninety-nine".