38989229 has 2 divisors, whose sum is σ = 38989230. Its totient is φ = 38989228.

The previous prime is 38989219. The next prime is 38989283. The reversal of 38989229 is 92298983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 487204 = 6205^2 + 698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38989229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38989219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19494614 + 19494615.

It is an arithmetic number, because the mean of its divisors is an integer number (19494615).

Almost surely, 2^38989229 is an apocalyptic number.

It is an amenable number.

38989229 is a deficient number, since it is larger than the sum of its proper divisors (1).

38989229 is an equidigital number, since it uses as much as digits as its factorization.

38989229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 38989229 is about 6244.1355686756. The cubic root of 38989229 is about 339.0899219923.

The spelling of 38989229 in words is "thirty-eight million, nine hundred eighty-nine thousand, two hundred twenty-nine".