38899429 has 2 divisors, whose sum is σ = 38899430. Its totient is φ = 38899428.

The previous prime is 38899379. The next prime is 38899433. The reversal of 38899429 is 92499883.

38899429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32798529 + 6100900 = 5727^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 38899429 - 2⁹ = 38898917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38899439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19449714 + 19449715.

It is an arithmetic number, because the mean of its divisors is an integer number (19449715).

Almost surely, 2^38899429 is an apocalyptic number.

It is an amenable number.

38899429 is a deficient number, since it is larger than the sum of its proper divisors (1).

38899429 is an equidigital number, since it uses as much as digits as its factorization.

38899429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The square root of 38899429 is about 6236.9406763252. The cubic root of 38899429 is about 338.8293912130.

The spelling of 38899429 in words is "thirty-eight million, eight hundred ninety-nine thousand, four hundred twenty-nine".