38450287 has 2 divisors, whose sum is σ = 38450288. Its totient is φ = 38450286.

The previous prime is 38450257. The next prime is 38450297. The reversal of 38450287 is 78205483.

It is a strong prime.

It is an emirp because it is prime and its reverse (78205483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38450287 - 2²³ = 30061679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38450207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19225143 + 19225144.

It is an arithmetic number, because the mean of its divisors is an integer number (19225144).

Almost surely, 2^38450287 is an apocalyptic number.

38450287 is a deficient number, since it is larger than the sum of its proper divisors (1).

38450287 is an equidigital number, since it uses as much as digits as its factorization.

38450287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 38450287 is about 6200.8295412791. The cubic root of 38450287 is about 337.5202716676.

The spelling of 38450287 in words is "thirty-eight million, four hundred fifty thousand, two hundred eighty-seven".