38765449 has 2 divisors, whose sum is σ = 38765450. Its totient is φ = 38765448.

The previous prime is 38765443. The next prime is 38765497. The reversal of 38765449 is 94456783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 573049 = 6180^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 38765449 - 2¹⁷ = 38634377 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38765399 and 38765408.

It is not a weakly prime, because it can be changed into another prime (38765443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19382724 + 19382725.

It is an arithmetic number, because the mean of its divisors is an integer number (19382725).

Almost surely, 2^38765449 is an apocalyptic number.

It is an amenable number.

38765449 is a deficient number, since it is larger than the sum of its proper divisors (1).

38765449 is an equidigital number, since it uses as much as digits as its factorization.

38765449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 38765449 is about 6226.1905688792. The cubic root of 38765449 is about 338.4399375028.

The spelling of 38765449 in words is "thirty-eight million, seven hundred sixty-five thousand, four hundred forty-nine".