38901229 has 2 divisors, whose sum is σ = 38901230. Its totient is φ = 38901228.

The previous prime is 38901221. The next prime is 38901281. The reversal of 38901229 is 92210983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32661225 + 6240004 = 5715^2 + 2498^2 .

It is an emirp because it is prime and its reverse (92210983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38901229 - 2³ = 38901221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38901194 and 38901203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38901221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19450614 + 19450615.

It is an arithmetic number, because the mean of its divisors is an integer number (19450615).

Almost surely, 2^38901229 is an apocalyptic number.

It is an amenable number.

38901229 is a deficient number, since it is larger than the sum of its proper divisors (1).

38901229 is an equidigital number, since it uses as much as digits as its factorization.

38901229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 38901229 is about 6237.0849761728. The cubic root of 38901229 is about 338.8346173694.

The spelling of 38901229 in words is "thirty-eight million, nine hundred one thousand, two hundred twenty-nine".