38406499 has 2 divisors, whose sum is σ = 38406500. Its totient is φ = 38406498.

The previous prime is 38406457. The next prime is 38406517. The reversal of 38406499 is 99460483.

It is a strong prime.

It is an emirp because it is prime and its reverse (99460483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38406499 - 2⁹ = 38405987 is a prime.

It is not a weakly prime, because it can be changed into another prime (38406409) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19203249 + 19203250.

It is an arithmetic number, because the mean of its divisors is an integer number (19203250).

Almost surely, 2^38406499 is an apocalyptic number.

38406499 is a deficient number, since it is larger than the sum of its proper divisors (1).

38406499 is an equidigital number, since it uses as much as digits as its factorization.

38406499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 38406499 is about 6197.2977175540. The cubic root of 38406499 is about 337.3920979252.

The spelling of 38406499 in words is "thirty-eight million, four hundred six thousand, four hundred ninety-nine".