38866049 has 2 divisors, whose sum is σ = 38866050. Its totient is φ = 38866048.

The previous prime is 38866019. The next prime is 38866099. The reversal of 38866049 is 94066883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32001649 + 6864400 = 5657^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 38866049 - 2⁸ = 38865793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38866019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19433024 + 19433025.

It is an arithmetic number, because the mean of its divisors is an integer number (19433025).

Almost surely, 2^38866049 is an apocalyptic number.

It is an amenable number.

38866049 is a deficient number, since it is larger than the sum of its proper divisors (1).

38866049 is an equidigital number, since it uses as much as digits as its factorization.

38866049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 38866049 is about 6234.2641105426. The cubic root of 38866049 is about 338.7324458163.

The spelling of 38866049 in words is "thirty-eight million, eight hundred sixty-six thousand, forty-nine".