38798849 has 2 divisors, whose sum is σ = 38798850. Its totient is φ = 38798848.

The previous prime is 38798821. The next prime is 38798869. The reversal of 38798849 is 94889783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 4494400 = 5857^2 + 2120^2 .

It is an emirp because it is prime and its reverse (94889783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38798849 - 2⁸ = 38798593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38798794 and 38798803.

It is not a weakly prime, because it can be changed into another prime (38798819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19399424 + 19399425.

It is an arithmetic number, because the mean of its divisors is an integer number (19399425).

Almost surely, 2^38798849 is an apocalyptic number.

It is an amenable number.

38798849 is a deficient number, since it is larger than the sum of its proper divisors (1).

38798849 is an equidigital number, since it uses as much as digits as its factorization.

38798849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 56.

The square root of 38798849 is about 6228.8722093169. The cubic root of 38798849 is about 338.5371086463.

The spelling of 38798849 in words is "thirty-eight million, seven hundred ninety-eight thousand, eight hundred forty-nine".