38743849 has 2 divisors, whose sum is σ = 38743850. Its totient is φ = 38743848.

The previous prime is 38743841. The next prime is 38743877. The reversal of 38743849 is 94834783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20766249 + 17977600 = 4557^2 + 4240^2 .

It is an emirp because it is prime and its reverse (94834783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38743849 - 2³ = 38743841 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38743799 and 38743808.

It is not a weakly prime, because it can be changed into another prime (38743841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19371924 + 19371925.

It is an arithmetic number, because the mean of its divisors is an integer number (19371925).

Almost surely, 2^38743849 is an apocalyptic number.

It is an amenable number.

38743849 is a deficient number, since it is larger than the sum of its proper divisors (1).

38743849 is an equidigital number, since it uses as much as digits as its factorization.

38743849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 38743849 is about 6224.4557191774. The cubic root of 38743849 is about 338.3770665613.

The spelling of 38743849 in words is "thirty-eight million, seven hundred forty-three thousand, eight hundred forty-nine".