38749049 has 2 divisors, whose sum is σ = 38749050. Its totient is φ = 38749048.

The previous prime is 38749033. The next prime is 38749111. The reversal of 38749049 is 94094783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 17909824 = 4565^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 38749049 - 2⁴ = 38749033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38749019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19374524 + 19374525.

It is an arithmetic number, because the mean of its divisors is an integer number (19374525).

Almost surely, 2^38749049 is an apocalyptic number.

It is an amenable number.

38749049 is a deficient number, since it is larger than the sum of its proper divisors (1).

38749049 is an equidigital number, since it uses as much as digits as its factorization.

38749049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 38749049 is about 6224.8734123675. The cubic root of 38749049 is about 338.3922042935.

The spelling of 38749049 in words is "thirty-eight million, seven hundred forty-nine thousand, forty-nine".