38854789 has 2 divisors, whose sum is σ = 38854790. Its totient is φ = 38854788.

The previous prime is 38854771. The next prime is 38854861. The reversal of 38854789 is 98745883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 3034564 = 5985^2 + 1742^2 .

It is an emirp because it is prime and its reverse (98745883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38854789 - 2⁷ = 38854661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38854709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19427394 + 19427395.

It is an arithmetic number, because the mean of its divisors is an integer number (19427395).

Almost surely, 2^38854789 is an apocalyptic number.

It is an amenable number.

38854789 is a deficient number, since it is larger than the sum of its proper divisors (1).

38854789 is an equidigital number, since it uses as much as digits as its factorization.

38854789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 38854789 is about 6233.3609714182. The cubic root of 38854789 is about 338.6997309247.

The spelling of 38854789 in words is "thirty-eight million, eight hundred fifty-four thousand, seven hundred eighty-nine".